Betty Snyder

Betty Snyder — born Frances Elizabeth Snyder (7 March 1917 – 8 December 2001), later Holberton — was an American mathematician, one of the six original ENIAC programmers, and arguably the one who stayed closest to the cutting edge for longest: she invented the breakpoint, helped write COBOL, and spent decades shaping computing standards.

Life

Snyder studied journalism at the University of Pennsylvania — on her first day, a professor told her journalism was no career for a woman and she would do better wasting her time learning something else; she switched to mathematics. She was working as a human computer for the Army when the call went out for six women to program a machine that didn't yet have a name anyone knew: ENIAC.

ENIAC and after

On ENIAC she was known for keeping track of the machine's thousands of interdependent settings — the discipline that would make her indispensable on later machines. When the war ended she joined Mauchly and Eckert's company, becoming a lead programmer on UNIVAC I under Grace Hopper's group — where she designed the C-10 instruction set and wrote the first sort-merge generator, the ancestor of every sorting utility since.

Her most famous single contribution is the breakpoint: at her urging, UNIVAC was built with the ability to halt on a chosen instruction so a programmer could inspect the machine's state — the debugging mechanism every developer still uses. She was a key force in the development of COBOL (1959) and spent her career pushing for machine-independent languages and national computing standards at the National Bureau of Standards.

Legacy

• IEEE Computer Pioneer Award (1997) — the citation credits the breakpoint and her sort-merge work.
• Augusta Ada Lovelace Award (1997) from the Association for Women in Computing — fittingly named for Ada Lovelace.
• Inducted into the Women in Technology International Hall of Fame (1997) with the other five.
• Died in 2001 — the only one of the six whose later career rivaled her ENIAC fame.

See also

• The first programmers
• History of Programming

References

1. Kleiman, Kathy. Proving Ground: The Untold Story of the Six Women Who Programmed the World's First Modern Computer (Grand Central, 2022).
2. Haigh, Thomas, Mark Priestley, and Crispin Rope. ENIAC in Action: Making and Remaking the Modern Computer (MIT Press, 2016).
3. Evans, Claire L. Broad Band: The Untold Story of the Women Who Made the Internet (Portfolio, 2018).
4. Honeywell v. Sperry Rand, 180 U.S.P.Q. 673 (D. Minn. 1973) — the ENIAC patent trial.