Walter H. Schottky
| Walter H. Schottky | |
|---|---|
.jpg) |
|
| Born |
23 July 1886 Zürich, Switzerland |
| Died |
4 March 1976 (aged 89) Pretzfeld, West Germany |
| Residence | Germany |
| Nationality | German |
| Fields | Physicist |
| Institutions |
University of Jena University of Würzburg Siemens Research Laboratories |
| Alma mater | University of Berlin |
| Doctoral advisor |
Max Planck Heinrich Rubens |
| Notable students | Werner Hartmann |
| Known for |
Schottky effect Schottky barrier Schottky contact Schottky anomaly Screen-grid vacuum tube Tetrode Ribbon microphone Ribbon loudspeaker Theory of Field emission Shot noise |
| Notable awards |
Hughes medal (1936) Werner von Siemens Ring (1964) |
Walter Hermann Schottky (23 July 1886 – 4 March 1976) 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. Erwin Gerlach in 1924 and later made many significant contributions in the areas of semiconductor devices, technical physics and technology.
Schottky's father was mathematician Friedrich Hermann Schottky (1851–1935). Schottky had one sister and one brother. His father was appointed professor of mathematics at the University of Zurich in 1882, and Schottky was born four years later. The family then moved back to Germany in 1892, where his father took up an appointment at the University of Marburg.
Schottky graduated from the Steglitz Gymnasium in Berlin in 1904. He completed his B.S. degree in physics, at the University of Berlin in 1908, and he completed his Ph.D. in physics at the Humboldt University of Berlin in 1912, studying under Max Planck and Heinrich Rubens, with a thesis entitled: Zur relativtheoretischen Energetik und Dynamik.
Schottky's postdoctoral period was spent at University of Jena (1912–14). He then lectured at the University of Würzburg (1919–23). He became a professor of theoretical physics at the (1923–27). For two considerable periods of time, Schottky worked at the Siemens Research laboratories (1914–19 and 1927–58).
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