Backus, John

Backus, John

(1924–  ) mathematician, computer specialist; born in Philadelphia. He was the project leader of the group at International Business Machines (IBM) that developed FORTRAN (1953–57), the first high-level language in data processing. He also worked on the IBM 704 computer with Gene Amdahl during the 1950s and worked on ALGOL 58 and 60.
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While important figures such as Isaac Backus, John Gano, Morgan Edwards, and John Leland overlapped the colonial period and the early days of the republic, post-1790 developments should be more appropriately classified as the early national period.