Jack Kilby

Jack St. Clair Kilby (November 8, 1923 – June 20, 2005) was an American electrical engineer. He helped discover the first integrated circuit while working at Texas Instruments (TI) in 1958. 
He was awarded the Nobel Prize in Physics on December 10, 2000. Kilby was also the co-inventor of the handheld calculator and the thermal printer.