Name: Stephen W. Dunwell

Born: April 3, 1913, in Kalamazoo, Michigan, USA

Death: March 21, 1994 (Age: 80)

  • American electrical engineer.
  • Led the engineering effort in the development of IBM’s STRETCH “supercomputer,” (1962) – two years before the introduction of the legendary IBM System/360.
  • Assisted in the development of a top-secret IBM computer that decoded and intercepted enemy radio messages during World War II.
  • Helped in the design of many calculators, including the IBM-502-A, the 603 and the 604, and the Card-Programmed Calculator, known as the CPC.

Honors and awards

  • IEEE Computer Society (1992).
  • Computer Pioneer Award (1992).
  • IBM Outstanding Invention Award; IBM fellow (1966).
  • Legion of Merit (1945).