Nikola TeslaNikola Tesla

10 July 1856

American

Alexander Graham BellAlexander Graham Bell

03 March 1847

Canadian,Scottish

John Logie BairdJohn Logie Baird

13 August 1888

British,Scottish

Charles F. KetteringCharles F. Kettering

29 August 1876

American

Edith ClarkeEdith Clarke

10 February 1883

American

Herman PotočnikHerman Potočnik

22 December 1892

Croatian

Vannevar BushVannevar Bush

11 March 1890

American

Charles Proteus SteinmetzCharles Proteus Steinmetz

09 April 1865

German,American

Edwin Howard ArmstrongEdwin Howard Armstrong

18 December 1890

American

Harry NyquistHarry Nyquist

07 February 1889

Swedish,American

Elihu ThomsonElihu Thomson

29 March 1853

British

Charles F. BrushCharles F. Brush

17 March 1849

American

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Frank J. SpragueFrank J. Sprague

25 July 1857

American