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Nick Holonyak

American engineer and educator
Nick Holonyak Jr. was an American engineer and educator. He is noted particularly for his 1962 invention and first demonstration of a semiconductor laser diode that emitted visible light. This device was the forerunner of the first generation of... Wikipedia
Born: November 3, 1928, Zeigler, IL
Died: September 18, 2022 (age 93 years), Urbana, IL