From the Guidebook:
At this site in 1959, Dr.
Robert Noyce of Fairchild Semiconductor Corporation invented
the first integrated circuit that could be produced commercially.
Based on 'planar' technology, an earlier Fairchild breakthrough,
Noyce's invention consisted of a complete electronic circuit
inside a small silicon chip. His innovation helped revolutionize
'Silicon Valley's' semicondutor electronics industry,
and brought profound change to the lives of people everywhere.