Heinrich Welker
(1912-1981)
German quantum physicist
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Heinrich Johann Welker (9 September 1912 in Ingolstadt – 25 December 1981 in Erlangen) was a German theoretical and applied physicist who invented the "transistron", a transistor made at Westinghouse independently of the first successful transistor made at Bell Laboratories. He did fundamental work in III-V compound semiconductors, and paved the way for microwave semiconductor elements and laser diodes.
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| Born |
9 September 1912
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| Died |
25 December 1981 (aged 69)
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| Zodiac | Virgo |
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