Walter H. Schottky
Walter Hermann Schottky (23 July 1886, Zürich, Switzerland – 4 March 1976, Pretzfeld, West Germany) was a German physicist who played a major early role in developing the theory of electron and ion emission phenomena, invented the screen-grid vacuum tube in 1915 and the pentode in 1919 while working at Siemens, co-invented the Ribbon microphone and Ribbon Loudspeaker along with Dr. Gerwin Erlach in 1924 and later made many significant contributions in the areas of semiconductor devices, technical physics and technology.
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“O eloquent, just, and mighty Death! whom none could advise, thou hast persuaded; what none hath dared, thou hast done; and whom all the world hath flattered, thou only hath cast out of the world and despised. Thou hast drawn together all the far-stretched greatness, all the pride, cruelty, and ambition of man, and covered it all over with these two narrow words, Hic jacet!”
—Sir Walter Raleigh (1552–1618)