Heinrich Welker, Date of Birth, Place of Birth, Date of Death

Heinrich Welker

German quantum physicist

Date of Birth: 09-Sep-1912

Place of Birth: Ingolstadt, Bavaria, Germany

Date of Death: 25-Dec-1981

Profession: physicist, inventor, university teacher

Nationality: Germany

Zodiac Sign: Virgo

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.