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Lee de Forest

1873 - 1961

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Lee de Forest (August 26, 1873 – June 30, 1961) was an American inventor and a fundamentally important early pioneer in electronics. He invented the first electronic device for controlling current flow; the three-element "Audion" triode vacuum tube in 1906. This started the Electronic Age, and enabled the development of the electronic amplifier and oscillator. Read more on Wikipedia

Since 2007, the English Wikipedia page of Lee de Forest has received more than 663,743 page views. His biography is available in 48 different languages on Wikipedia (up from 46 in 2019). Lee de Forest is the 124th most popular inventor (up from 125th in 2019), the 1,569th most popular biography from United States (down from 1,513th in 2019) and the 29th most popular American Inventor.

Memorability Metrics

  • 660k

    Page Views (PV)

  • 59.11

    Historical Popularity Index (HPI)

  • 48

    Languages Editions (L)

  • 5.49

    Effective Languages (L*)

  • 4.20

    Coefficient of Variation (CV)

Page views of Lee de Forests by language


Among inventors, Lee de Forest ranks 124 out of 354Before him are Clément Ader, Clive Sinclair, John Kay, Richard Jordan Gatling, Jean-Pierre Blanchard, and Zénobe Gramme. After him are Josef Ressel, Gideon Sundback, Elisha Gray, Robert Adler, Hugo Schmeisser, and Henri Giffard.

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Among people born in 1873, Lee de Forest ranks 35Before him are Hans von Euler-Chelpin, Alice Guy-Blaché, Ivanoe Bonomi, Alexander Bogdanov, Ma Barker, and Constantin Carathéodory. After him are Prince Luigi Amedeo, Duke of the Abruzzi, Charles Péguy, Ray Ewry, Tullio Levi-Civita, Melitta Bentz, and Hayim Nahman Bialik. Among people deceased in 1961, Lee de Forest ranks 28Before him are Grandma Moses, Eero Saarinen, Luigi Einaudi, Akiba Rubinstein, Wolfgang von Trips, and Paul Wittgenstein. After him are Blaise Cendrars, Arthur Drewry, Karl Korsch, Mukhtar Auezov, Princess Isabelle of Orléans, and Maria Valtorta.

Others Born in 1873

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Others Deceased in 1961

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In United States

Among people born in United States, Lee de Forest ranks 1,569 out of 18,182Before him are John Saxon (1935), James Earl Ray (1928), Paul Greengard (1925), Julia Child (1912), Diane Lane (1965), and James Gandolfini (1961). After him are Joseph Nye (1937), George C. Scott (1927), Frederic Edwin Church (1826), Edward W. Morley (1838), Alonzo Church (1903), and Bessie Smith (1894).

Among INVENTORS In United States

Among inventors born in United States, Lee de Forest ranks 29Before him are Bob Kahn (1938), Robert Noyce (1927), Jacque Fresco (1916), Percy Spencer (1894), Elias Howe (1819), and Richard Jordan Gatling (1818). After him are Elisha Gray (1835), Robert Moog (1934), Josiah Warren (1798), Alfred Vail (1807), Mary Anderson (1862), and Hiram Maxim (1840).