ENIAC programmers

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Date
1946 ca.
Credit Line
Courtesy of the University of Pennsylvania Archives
Copyright Owner
© University of Pennsylvania
Object ID
102618640

ENIAC programmers Frances Bilas (later Frances Spence) and Betty Jean Jennings (later Jean Bartik) stand at its main control panels. Both held degrees in mathematics. Bilas operated the Moore School’s Differential Analyzer before joining the ENIAC project.