Sep 18, 2022 3:00 pm16299 views
Nick Holonyak Jr., a renowned innovator of illumination, has died. The University of Illinois Urbana-Champaign professor was 93 years old.
Holonyak (pronounced huh-LON-yak) is credited with the development of the first practical visible-spectrum LED, now commonly used in light bulbs, device displays and lasers worldwide.