Physicist (1923-2005) who won the Nobel Prize in 2000 for his 1958 invention of the integrated circuit. Original ballpoint sketch of a microchip accomplished by Kilby on a 7.5 x 4 FDC honoring the modern innovation, signed in blue ballpoint, "J. S. Kilby." In very fine condition, a PSA/DNA label affixed to the reverse. Accompanied by a certificate of authenticity from PSA/DNA.