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Lee de Forest

Index Lee de Forest

Lee de Forest (August 26, 1873 – June 30, 1961) was an American inventor, self-described "Father of Radio", and a pioneer in the development of sound-on-film recording used for motion pictures. [1]

147 relations: Academy Awards, Academy Honorary Award, American Institute of Electrical Engineers, Amos Dolbear, Amplifier, Amplitude modulation, Anode, Arc converter, Arthur Batcheller, Associated Press, Audio frequency, Audion, Berlin, Birth of public radio broadcasting, Bouncing ball (music), British Film Institute, Bunsen burner, Calvert DeForest, Carl Dreher, Cathode, Coherer, Columbia Graphophone Company, Congregational church, Control grid, Council Bluffs, Iowa, Dave Fleischer, David Sarnoff, Detector (radio), DeVry University, Diathermy, Diode, Don Juan (1926 film), Edwin Howard Armstrong, Electrode, Electronics, Elliott Cresson Medal, Elmer T. Cunningham, Empire of the Air: The Men Who Made Radio, Enrico Caruso, Eric Tigerstedt, Federal Telegraph Company, Fleming valve, Foothill College, Fox Film, Franklin Institute, Freeman Harrison Owens, Great White Fleet, Guglielmo Marconi, Harriot Stanton Blatch, Henry Harrison Chase Dunwoody, ..., Hertz, Heterodyne, Hollywood, Hollywood Walk of Fame, Huguenots, IEEE Edison Medal, IEEE Medal of Honor, IIT Physics Department, Illinois Institute of Technology, Incandescent light bulb, Institute of Electrical and Electronics Engineers, Institute of Radio Engineers, Inventor, Irving Langmuir, Jessé de Forest, John Barrymore, John Stone Stone, John Vincent Lawless Hogan, Josiah Willard Gibbs, Jules Verne, Ken Burns, KZY, Lake Erie, Library of Congress, Louisiana Purchase Exposition, Marconi Wireless Telegraph Company of America, Marie Mosquini, Max Fleischer, Metropolitan Opera, Metropolitan Opera radio broadcasts, Morse code, Movietone sound system, Music hall, National Association of Broadcasters, National Inventors Hall of Fame, New York Journal-American, Nikola Tesla, Nora Stanton Barney, Northfield Mount Hermon School, Office of Alien Property Custodian, Phonofilm, Plate electrode, Popular Mechanics, Professional video camera, Radio, Radio 2XG, Radio broadcasting, RCA Photophone, Regenerative circuit, Reginald Fessenden, Richard Nixon, Robert von Lieben, Russo-Japanese War, San Fernando Mission Cemetery, Sheffield Scientific School, Smithsonian Institution, Socialized medicine, Song Car-Tunes, Sound film, Sound-on-disc, Sound-on-film, South Bass Island, Spanish–American War, SS Haimun, Talladega College, Talladega, Alabama, Telharmonium, Thaddeus Cahill, The Nation, The Times, Theodore Case, This Is Your Life, TIFF, Tosca, Transistor, Tri-Ergon, Triode, Ulises Armand Sanabria, United Kingdom, United States, United States presidential election, 1916, United Wireless Telegraph Company, Unmanned combat aerial vehicle, Vacuum tube, Valdemar Poulsen, Vaudeville, Vitaphone, Walloons, Warner Bros., Warren S. Johnson, Western Electric, William Fox (producer), Wireless, Wireless telegraphy, WWJ (AM), Yale University, 32nd Academy Awards. Expand index (97 more) »

Academy Awards

The Academy Awards, also known as the Oscars, are a set of 24 awards for artistic and technical merit in the American film industry, given annually by the Academy of Motion Picture Arts and Sciences (AMPAS), to recognize excellence in cinematic achievements as assessed by the Academy's voting membership.

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Academy Honorary Award

The Academy Honorary Award – instituted in 1948 for the 21st Academy Awards (previously called the Special Award, which was first presented in early 1929) – is given annually by the Board of Governors of the Academy of Motion Picture Arts and Sciences (AMPAS) to celebrate motion picture achievements that are not covered by existing Academy Awards, although prior winners of competitive Academy Awards are not excluded from receiving the Honorary Award.

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American Institute of Electrical Engineers

The American Institute of Electrical Engineers (AIEE) was a United States-based organization of electrical engineers that existed from 1884 through 1962.

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Amos Dolbear

Amos Emerson Dolbear (November 10, 1837 – February 23, 1910) was an American physicist and inventor.

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Amplifier

An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the power of a signal (a time-varying voltage or current).

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Amplitude modulation

Amplitude modulation (AM) is a modulation technique used in electronic communication, most commonly for transmitting information via a radio carrier wave.

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Anode

An anode is an electrode through which the conventional current enters into a polarized electrical device.

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Arc converter

The arc converter, sometimes called the arc transmitter, or Poulsen arc after Danish engineer Valdemar Poulsen who invented it in 1903, was a variety of spark transmitter used in early wireless telegraphy.

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Arthur Batcheller

Arthur Batcheller (March 21, 1888 - March 7, 1978) was a pioneer in early radio in the state of Massachusetts, one of the founders and partners of the Massachusetts Radio Telegraph School and a designated Radio Inspector for the New England district between 1917 and 1918.

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Associated Press

The Associated Press (AP) is a U.S.-based not-for-profit news agency headquartered in New York City.

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Audio frequency

An audio frequency (abbreviation: AF) or audible frequency is characterized as a periodic vibration whose frequency is audible to the average human.

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Audion

The Audion was an electronic detecting or amplifying vacuum tube invented by American electrical engineer Lee de Forest in 1906.

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Berlin

Berlin is the capital and the largest city of Germany, as well as one of its 16 constituent states.

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Birth of public radio broadcasting

The birth of public radio broadcasting is credited to Lee de Forest who transmitted the world’s first public broadcast in New York City on January 13, 1910.

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Bouncing ball (music)

The bouncing ball is a device used in motion picture films and video recordings to visually indicate the rhythm of a song, helping audiences to sing along with live or prerecorded music.

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British Film Institute

The British Film Institute (BFI) is a film and charitable organisation which promotes and preserves filmmaking and television in the United Kingdom.

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Bunsen burner

A Bunsen burner, named after Robert Bunsen, is a common piece of laboratory equipment that produces a single open gas flame, which is used for heating, sterilization, and combustion.

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Calvert DeForest

Calvert Grant DeForest (July 23, 1921 – March 19, 2007), also known by his character Larry "Bud" Melman, was an American actor and comedian, best known for his appearances on Late Night with David Letterman and the Late Show with David Letterman.

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Carl Dreher

Carl Dreher (February 16, 1896 – July 13, 1976) was an electrical engineer, two-time Academy Award nominated sound engineer, and an author who primarily dealt with technical and scientific topics.

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Cathode

A cathode is the electrode from which a conventional current leaves a polarized electrical device.

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Coherer

The coherer was a primitive form of radio signal detector used in the first radio receivers during the wireless telegraphy era at the beginning of the 20th century.

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Columbia Graphophone Company

The Columbia Graphophone Company was one of the earliest gramophone companies in the United Kingdom.

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Congregational church

Congregational churches (also Congregationalist churches; Congregationalism) are Protestant churches in the Reformed tradition practicing congregationalist church governance, in which each congregation independently and autonomously runs its own affairs.

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Control grid

The control grid is an electrode used in amplifying thermionic valves (vacuum tubes) such as the triode, tetrode and pentode, used to control the flow of electrons from the cathode to the anode (plate) electrode.

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Council Bluffs, Iowa

Council Bluffs is a city in and the county seat of Pottawattamie County, Iowa, United States.

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Dave Fleischer

David Fleischer (July 14, 1894 – June 25, 1979) was an American film director and producer, best known as a co-owner of Fleischer Studios with his older brother Max Fleischer.

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David Sarnoff

David Sarnoff (Даві́д Сарно́ў, Дави́д Сарно́в, February 27, 1891 – December 12, 1971) was an American businessman and pioneer of American radio and television.

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Detector (radio)

In radio, a detector is a device or circuit that extracts information from a modulated radio frequency current or voltage.

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DeVry University

DeVry University is a for-profit college based in the United States.

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Diathermy

Diathermy is electrically induced heat or the use of high-frequency electromagnetic currents as a form of physical or occupational therapy and in surgical procedures.

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Diode

A diode is a two-terminal electronic component that conducts current primarily in one direction (asymmetric conductance); it has low (ideally zero) resistance in one direction, and high (ideally infinite) resistance in the other.

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Don Juan (1926 film)

Don Juan is a 1926 American romantic Adventure film directed by Alan Crosland.

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Edwin Howard Armstrong

Edwin Howard Armstrong (December 18, 1890 – February 1, 1954) was an American electrical engineer and inventor, best known for developing FM (frequency modulation) radio and the superheterodyne receiver system.

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Electrode

An electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit (e.g. a semiconductor, an electrolyte, a vacuum or air).

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Electronics

Electronics is the discipline dealing with the development and application of devices and systems involving the flow of electrons in a vacuum, in gaseous media, and in semiconductors.

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Elliott Cresson Medal

The Elliott Cresson Medal, also known as the Elliott Cresson Gold Medal, was the highest award given by the Franklin Institute.

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Elmer T. Cunningham

Elmer Tiling Cunningham (September 1, 1889 – June 14, 1965) was an American entrepreneur and businessman, specializing in vacuum tubes and radio manufacturing.

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Empire of the Air: The Men Who Made Radio

Empire of the Air: The Men Who Made Radio is a non-fiction book by Tom Lewis, a history of radio in the United States, published by HarperCollins in 1991.

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Enrico Caruso

Enrico Caruso (25 February 1873 – 2 August 1921) was an Italian operatic tenor.

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Eric Tigerstedt

Eric Magnus Campbell Tigerstedt (August 14, 1887 – April 20, 1925) was one of the most significant inventors in Finland at the beginning of the 20th century and has been called the "Thomas Edison of Finland".

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Federal Telegraph Company

The Federal Telegraph Company was a United States manufacturing and communications company that played a pivotal role in the 20th century in the development of radio communications.

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Fleming valve

The Fleming valve, also called the Fleming oscillation valve, was a thermionic valve or vacuum tube invented in 1904 by Englishman John Ambrose Fleming as a detector for early radio receivers used in electromagnetic wireless telegraphy.

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Foothill College

Foothill College is a community college in Los Altos Hills, California.

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Fox Film

The Fox Film Corporation was an American company that produced motion pictures, formed by William Fox on 1 February 1915.

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Franklin Institute

The Franklin Institute is a science museum and the center of science education and research in Philadelphia, Pennsylvania.

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Freeman Harrison Owens

Freeman Harrison Owens (July 20, 1890 – December 9, 1979), born in Pine Bluff, Arkansas, the only child of Charles H. Owens and Christabel Harrison.

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Great White Fleet

The Great White Fleet was the popular nickname for the powerful United States Navy battle fleet that completed a journey around the globe from 16 December 1907, to 22 February 1909, by order of United States President Theodore Roosevelt.

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Guglielmo Marconi

Guglielmo Marconi, 1st Marquis of Marconi (25 April 187420 July 1937) was an Italian inventor and electrical engineer known for his pioneering work on long-distance radio transmission and for his development of Marconi's law and a radio telegraph system.

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Harriot Stanton Blatch

Harriot Eaton Stanton Blatch (January 20, 1856 – November 20, 1940) was a U.S. writer, suffragist, and the daughter of pioneering women's rights activist Elizabeth Cady Stanton.

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Henry Harrison Chase Dunwoody

Known in his own time for his work with the Army’s Weather Bureau, Henry Harrison Chase Dunwoody invented the carborundum radio detector in 1906.

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Hertz

The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.

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Heterodyne

Heterodyning is a signal processing technique invented in 1901 by Canadian inventor-engineer Reginald Fessenden that creates new frequencies by combining or mixing two frequencies.

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Hollywood

Hollywood is a neighborhood in the central region of Los Angeles, California.

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Hollywood Walk of Fame

The Hollywood Walk of Fame comprises more than 2,600 five-pointed terrazzo and brass stars embedded in the sidewalks along 15 blocks of Hollywood Boulevard and three blocks of Vine Street in Hollywood, California.

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Huguenots

Huguenots (Les huguenots) are an ethnoreligious group of French Protestants who follow the Reformed tradition.

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IEEE Edison Medal

The IEEE Edison Medal is presented by the Institute of Electrical and Electronics Engineers (IEEE) "for a career of meritorious achievement in electrical science, electrical engineering or the electrical arts." It is the oldest and most coveted medal in this field of engineering in the United States.

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IEEE Medal of Honor

The IEEE Medal of Honor is the highest recognition of the Institute of Electrical and Electronics Engineers (IEEE).

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IIT Physics Department

The Physics Department at the Illinois Institute of Technology has over 30 faculty members.

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Illinois Institute of Technology

Illinois Institute of Technology (Illinois Tech or IIT) is a private research university in Chicago, Illinois.

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Incandescent light bulb

An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light with a wire filament heated to such a high temperature that it glows with visible light (incandescence).

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Institute of Electrical and Electronics Engineers

The Institute of Electrical and Electronics Engineers (IEEE) is a professional association with its corporate office in New York City and its operations center in Piscataway, New Jersey.

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Institute of Radio Engineers

The Institute of Radio Engineers (IRE) was a professional organization which existed from 1912 until December 31, 1962.

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Inventor

An inventor is a person who creates or discovers a new method, form, device or other useful means that becomes known as an invention.

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Irving Langmuir

Irving Langmuir (January 31, 1881 – August 16, 1957) was an American chemist and physicist.

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Jessé de Forest

Jessé de Forest (1576 – October 22, 1624) was the leader of a group of Walloon Huguenots who fled Europe due to religious persecutions.

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John Barrymore

John Barrymore (born John Sidney Blyth; February 14 or 15, 1882 – May 29, 1942) was an American actor on stage, screen and radio.

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John Stone Stone

John Stone Stone (September 24, 1869 – May 20, 1943) was an American mathematician, physicist and inventor.

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John Vincent Lawless Hogan

John Vincent Lawless Hogan (February 14, 1890 – December 29, 1960), often John V. L. Hogan, was a noted American radio pioneer.

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Josiah Willard Gibbs

Josiah Willard Gibbs (February 11, 1839 – April 28, 1903) was an American scientist who made important theoretical contributions to physics, chemistry, and mathematics.

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Jules Verne

Jules Gabriel Verne (Longman Pronunciation Dictionary.; 8 February 1828 – 24 March 1905) was a French novelist, poet, and playwright.

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Ken Burns

Kenneth Lauren Burns (born July 29, 1953) is an American filmmaker, known for his style of using archival footage and photographs in documentary films.

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KZY

KZY was a radio station located in Oakland, California, that was licensed to the Atlantic-Pacific Radio Supplies Company from December 9, 1921 until its deletion on January 24, 1923.

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Lake Erie

Lake Erie is the fourth-largest lake (by surface area) of the five Great Lakes in North America, and the eleventh-largest globally if measured in terms of surface area.

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Library of Congress

The Library of Congress (LOC) is the research library that officially serves the United States Congress and is the de facto national library of the United States.

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Louisiana Purchase Exposition

The Louisiana Purchase Exposition, informally known as the St.

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Marconi Wireless Telegraph Company of America

The Marconi Wireless Telegraph Company of America (commonly called American Marconi) was incorporated in 1899.

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Marie Mosquini

Marie Mosquini (December 3, 1899 – February 21, 1983) was an American film actress.

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Max Fleischer

Max Fleischer (born Majer Fleischer;; July 19, 1883 – September 25, 1972) was a Polish-American animator, inventor, film director and producer.

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Metropolitan Opera

The Metropolitan Opera is an opera company based in New York City, resident at the Metropolitan Opera House at the Lincoln Center for the Performing Arts.

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Metropolitan Opera radio broadcasts

The Metropolitan Opera radio broadcasts are a regular series of weekly broadcasts on network radio of full-length opera performances.

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Morse code

Morse code is a method of transmitting text information as a series of on-off tones, lights, or clicks that can be directly understood by a skilled listener or observer without special equipment.

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Movietone sound system

The Movietone sound system is an optical sound-on-film method of recording sound for motion pictures that guarantees synchronization between sound and picture.

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Music hall

Music hall is a type of British theatrical entertainment that was popular from the early Victorian era circa 1850 and lasting until 1960.

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National Association of Broadcasters

The National Association of Broadcasters (NAB) is a trade association and lobby group representing the interests of commercial and non-commercial over-the-air radio and television broadcasters in the United States.

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National Inventors Hall of Fame

The National Inventors Hall of Fame (NIHF) is an American not-for-profit organization which recognizes individual engineers and inventors who hold a U.S. patent of highly significant technology.

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New York Journal-American

The New York Journal-American was a daily newspaper published in New York City from 1937 to 1966.

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Nikola Tesla

Nikola Tesla (Никола Тесла; 10 July 1856 – 7 January 1943) was a Serbian-American inventor, electrical engineer, mechanical engineer, physicist, and futurist who is best known for his contributions to the design of the modern alternating current (AC) electricity supply system.

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Nora Stanton Barney

Nora Stanton Blatch Barney (September 30, 1883 – January 18, 1971) was an English-born U.S. civil engineer, architect, and suffragist.

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Northfield Mount Hermon School

Northfield Mount Hermon School, commonly referred to as NMH, is a co-educational college-preparatory school for both boarding and day students in grades 9–12 and postgraduates.

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Office of Alien Property Custodian

The Office of Alien Property Custodian was an office within the Government of the United States during World War I and again during World War II, serving as a Custodian of Enemy Property to property that belonged to US enemies.

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Phonofilm

Phonofilm is an optical sound-on-film system developed by inventors Lee de Forest and Theodore Case in the 1920s.

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Plate electrode

A plate, usually called anode in Britain, is a type of electrode that forms part of a vacuum tube.

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Popular Mechanics

Popular Mechanics is a classic magazine of popular science and technology.

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Professional video camera

A professional video camera (often called a television camera even though the use has spread beyond television) is a high-end device for creating electronic moving images (as opposed to a movie camera, that earlier recorded the images on film).

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Radio

Radio is the technology of using radio waves to carry information, such as sound, by systematically modulating properties of electromagnetic energy waves transmitted through space, such as their amplitude, frequency, phase, or pulse width.

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Radio 2XG

Radio station 2XG, also known as the "Highbridge station", was an experimental station located in New York City and licensed to the De Forest Radio Telephone and Telegraph Company from 1915-1917 and 1920-1924.

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Radio broadcasting

Radio broadcasting is transmission by radio waves intended to reach a wide audience.

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RCA Photophone

RCA Photophone was the trade name given to one of four major competing technologies that emerged in the American film industry in the late 1920s for synchronizing electrically recorded audio to a motion picture image.

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Regenerative circuit

A regenerative circuit is an amplifier circuit that employs positive feedback (also known as regeneration); some of the output of the amplifying device is applied to its input without phase inversion, which reinforces the signal, increasing the amplification.

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Reginald Fessenden

Reginald Aubrey Fessenden (October 6, 1866 – July 22, 1932) was a Canadian-born inventor, who did a majority of his work in the United States and also claimed U.S. citizenship through his American-born father.

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Richard Nixon

Richard Milhous Nixon (January 9, 1913 – April 22, 1994) was an American politician who served as the 37th President of the United States, serving from 1969 until 1974, when he resigned from office, the only U.S. president to do so.

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Robert von Lieben

Robert von Lieben (September 5, 1878, Vienna – February 20, 1913, Vienna) was an Austrian physicist whose work contributed to the development of valve amplifiers.

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Russo-Japanese War

The Russo–Japanese War (Russko-yaponskaya voina; Nichirosensō; 1904–05) was fought between the Russian Empire and the Empire of Japan over rival imperial ambitions in Manchuria and Korea.

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San Fernando Mission Cemetery

The San Fernando Mission Cemetery is an American Catholic cemetery located at 11160 Stranwood Avenue in the Mission Hills community of the San Fernando Valley of Los Angeles, near the San Fernando Mission.

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Sheffield Scientific School

Sheffield Scientific School was founded in 1847 as a school of Yale College in New Haven, Connecticut for instruction in science and engineering.

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Smithsonian Institution

The Smithsonian Institution, established on August 10, 1846 "for the increase and diffusion of knowledge," is a group of museums and research centers administered by the Government of the United States.

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Socialized medicine

Socialized medicine is a term used in the United States to describe and discuss systems of universal health care: medical and hospital care for all at a nominal cost by means of government regulation of health care and subsidies derived from taxation.

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Song Car-Tunes

Ko-Ko Song Car-Tunes, Song Car-Tunes, or (some sources erroneously say) Sound Car-Tunes, is a series of short three-minute animation films produced by Max Fleischer and Dave Fleischer between May 1924 and September 1927, pioneering the use of the "Follow the Bouncing Ball" device used to lead audiences in theater sing-alongs.

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Sound film

A sound film is a motion picture with synchronized sound, or sound technologically coupled to image, as opposed to a silent film.

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Sound-on-disc

Sound-on-disc is a class of sound film processes using a phonograph or other disc to record or play back sound in sync with a motion picture.

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Sound-on-film

Sound-on-film is a class of sound film processes where the sound accompanying picture is physically recorded onto photographic film, usually, but not always, the same strip of film carrying the picture.

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South Bass Island

South Bass Island is a small island in western Lake Erie, and a part of Ottawa County, Ohio, United States.

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Spanish–American War

The Spanish–American War (Guerra hispano-americana or Guerra hispano-estadounidense; Digmaang Espanyol-Amerikano) was fought between the United States and Spain in 1898.

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SS Haimun

SS Haimun was a Chinese steamer ship commanded by war correspondent Lionel James in 1904 during the Russo-Japanese War for The Times of London.

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Talladega College

Talladega College, located in Talladega, Alabama, is a private, liberal arts college.

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Talladega, Alabama

Talladega is a city in Talladega County, Alabama, United States.

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Telharmonium

The Telharmonium (also known as the Dynamophone) was an early electrical organ, developed by Thaddeus Cahill circa 1896 and patented in 1897.

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Thaddeus Cahill

Thaddeus Cahill (June 18, 1867 – April 12, 1934) was a prominent inventor of the early 20th century.

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The Nation

The Nation is the oldest continuously published weekly magazine in the United States, and the most widely read weekly journal of progressive political and cultural news, opinion, and analysis.

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The Times

The Times is a British daily (Monday to Saturday) national newspaper based in London, England.

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Theodore Case

Theodore Willard Case (December 12, 1888 – May 13, 1944) was an American chemist, physicist, and inventor known for the invention of the Movietone sound-on-film sound film system.

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This Is Your Life

This Is Your Life was an American reality documentary series broadcast on NBC radio from 1948 to 1952, and on NBC television from 1952 to 1961.

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TIFF

Tagged Image File Format, abbreviated TIFF or TIF, is a computer file format for storing raster graphics images, popular among graphic artists, the publishing industry, and photographers.

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Tosca

Tosca is an opera in three acts by Giacomo Puccini to an Italian libretto by Luigi Illica and Giuseppe Giacosa.

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Transistor

A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power.

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Tri-Ergon

The Tri-Ergon sound-on-film system was developed from around 1919 by three German inventors, Josef Engl (1893–1942), Joseph Massolle (1889–1957), and Hans Vogt (1890–1979).

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Triode

A triode is an electronic amplifying vacuum tube (or valve in British English) consisting of three electrodes inside an evacuated glass envelope: a heated filament or cathode, a grid, and a plate (anode).

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Ulises Armand Sanabria

Ulises Armand Sanabria (September 5, 1906 January 6, 1969) was born in southern Chicago of Puerto Rican and French-American parents.

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United Kingdom

The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain,Usage is mixed with some organisations, including the and preferring to use Britain as shorthand for Great Britain is a sovereign country in western Europe.

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United States

The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.

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United States presidential election, 1916

The United States presidential election of 1916 was the 33rd quadrennial presidential election, held on Tuesday, November 7, 1916.

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United Wireless Telegraph Company

The United Wireless Telegraph Company was the largest radio communications firm in the United States, from its late-1906 formation until its bankruptcy and takeover by Marconi interests in mid-1912.

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Unmanned combat aerial vehicle

An unmanned combat aerial vehicle (UCAV), also known as a combat drone or simply a drone, is an unmanned aerial vehicle (UAV) that usually carries aircraft ordnance such as missiles and is used for drone strikes.

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Vacuum tube

In electronics, a vacuum tube, an electron tube, or just a tube (North America), or valve (Britain and some other regions) is a device that controls electric current between electrodes in an evacuated container.

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Valdemar Poulsen

Valdemar Poulsen (23 November 1869 – 23 July 1942) was a Danish engineer who made significant contributions to early radio technology.

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Vaudeville

Vaudeville is a theatrical genre of variety entertainment.

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Vitaphone

Vitaphone was a sound film system used for feature films and nearly 1,000 short subjects made by Warner Bros. and its sister studio First National from 1926 to 1931.

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Walloons

Walloons (Wallons,; Walons) are a Romance ethnic people native to Belgium, principally its southern region of Wallonia, who speak French and Walloon.

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Warner Bros.

Warner Bros.

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Warren S. Johnson

Warren Seymour Johnson (November 6, 1847 – December 5, 1911) was an American college professor who was frustrated by his inability to regulate individual classroom temperatures.

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Western Electric

Western Electric Company (WE, WECo) was an American electrical engineering and manufacturing company that served as the primary supplier to AT&T from 1881 to 1996.

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William Fox (producer)

William Fox (born as Vilmos Fried, January 1, 1879 – May 8, 1952) was a Hungarian-American motion picture executive, who founded the Fox Film Corporation in 1915 and the Fox West Coast Theatres chain in the 1920s.

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Wireless

Wireless communication, or sometimes simply wireless, is the transfer of information or power between two or more points that are not connected by an electrical conductor.

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Wireless telegraphy

Wireless telegraphy is the transmission of telegraphy signals from one point to another by means of an electromagnetic, electrostatic or magnetic field, or by electrical current through the earth or water.

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WWJ (AM)

WWJ, 950 kHz (a regional broadcast frequency), is an all-news AM radio station located in Detroit, Michigan.

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Yale University

Yale University is an American private Ivy League research university in New Haven, Connecticut.

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32nd Academy Awards

The 32nd Academy Awards ceremony, presented by Academy of Motion Picture Arts and Sciences, was held on April 4, 1960 and took place at the RKO Pantages Theatre to honor the best films of 1959.

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DeForest Company, Lee De Forest, Lee DeForest, Lee Deforest, Lee deforest.

References

[1] https://en.wikipedia.org/wiki/Lee_de_Forest

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