Walter H. Schottky
German physicist
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Walter Hans Schottky 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 while working at ... Wikipedia
Born: July 23, 1886, Zürich, Switzerland
Died: March 4, 1976 (age 89 years), Pretzfeld, Germany
Awards: Hughes Medal (1936) and Werner von Siemens Ring (1964)
Parents: Friedrich Schottky
Notable students: Werner Hartmann