**Nick Holonyak Jr., Pioneer of LED Lighting, Is Dead at 93** Nick Holonyak Jr., an electrical engineer who became known as the godfather of the LED lighting that illuminates flat-screen TVs and laptop computers, and who also developed lasers that enabled DVD and CD players, bar code scanners and medical diagnostic devices, died on Sept. 18 in Urbana, Ill. He was 93. From a report: His death, at a nursing home, was announced ... ⌘ Read more