Physicist (1923-2005) who won the Nobel Prize in 2000 for his 1958 invention of the integrated circuit. Two items: an original ballpoint sketch of an integrated circuit on a white 5 x 3 card, signed in black ballpoint, "J. S. Kilby"; and a ballpoint signature, "J. S. Kilby" on a white 5 x 3 card. In overall very fine condition.
