What Happened on January 23rd

Noyce's practical integrated circuit allowed printing of conducting channels directly on the silicon surface
Noyce's practical integrated circuit allowed printing of conducting channels directly on the silicon surface
 
Robert Noyce Conceives the Idea for a Practical Integrated Circuit
Robert Noyce, as a co-founder and research director of Fairchild Semiconductor, was responsible for the initial development of silicon mesa and planar transistors, which led to a commercially applicable integrated circuit. In 1968, Noyce went on to found Intel Corp. with Gordon Moore and Andy Grove.