Nick Holonyak

Nick Holonyak Jr. (November 3, 1928 – September 18, 2022) was an American engineer and educator. He is known for his 1962 invention of a light-emitting diode (LED). He was a John Bardeen Endowed Chair Emeritus in Electrical and Computer Engineering and Physics at the University of Illinois at Urbana-Champaign.
Holonyak died on September 18, 2022 in Urbana, Illinois at the age of 93.