https://en.wikipedia.org/wiki/Jean_Hoerni
QT:{{”
At Fairchild, Hoerni invented the planar process,[3][4]which was critical in the invention of Silicon Integrated circuit by Robert Noyce.[5] With Noyce, Jack Kilby from Texas Instruments is usually credited with the invention of the integrated circuit, but Kilby’s IC was based on Germanium.
“}}