Jean Sammet Dead
Helped design COBOL, created FORMAC — the first widely used symbolic-math language — and wrote Programming Languages: History and Fundamentals.
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Wrote 'Programming Languages: History and Fundamentals' (1969) — the first comprehensive survey — and ran the FORMAC symbolic-computation project at IBM.\n\nFirst woman president of the ACM; designed the Tower of Babel language chart that remains the field's iconic image.