Diff — 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.

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.

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|UNIVAC I]]** under **[[Grace_Hopper|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.

- **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.

- [[The first programmers]]

- [[History of Programming]]

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.

[[Category:History]]

[[Category:People]]