Heinrich Welker
Physicist, Inventor
1912 – 1981
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Who was Heinrich Welker?
Heinrich Johann Welker was a German theoretical and applied physicist who invented the "transistron", a form of 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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