Russell Ohl

male
resistance, PNjunction, Walter Brattain, germanium, Nobel Prize for Physics, diode
Russell Ohl is generally recognized for patenting the modern solar cell (US2402662, "Light sensitive device"). Ohl was a notable semiconductor...

Walter H. Schottky

male, deceased (1976)
Edwin Armstrong, Thermionic emission, German, electrical engineer, Siemens, vacuum tube…PNjunction
Walter H. (Hermann) Schottky was a German physicist who invented the screen-grid vacuum tube in 1915 and the tetrode in 1919 while working at...