George R. Stibitz

Born: 1904
Birthplace: York, Pa.

Complex computer—Stibitz is internationally recognized as the father of the modern digital computer. In 1939 Stibitz helped design the Model I complex number calculator which could add two eight-digit decimal numbers in a tenth of a second. (1983)

Died: 1995

Leo SternbachThe National Inventors Hall of FameLeo Szilard