About Harold H. Seward
Lived 1930 – 2012 (aged 81). Harold H. Seward was an American physicist, computer scientist and inventor, known for Counting sort, Radix sort and Whirlwind Computer.
Harold H. Seward (July 24, 1930 – June 19, 2012) was a computer scientist, engineer, and inventor. Seward developed the radix sort and counting sort algorithms in 1954 at MIT. He also worked on the Whirlwind Computer and developed instruments that powered the guidance systems for the Apollo spacecraft and Polaris missile.
Don’t just read it —
keep it.
Full-length biographies made to live with: read them, listen on the way to work, watch them tonight.
- E-book
- Audio
- Video
Instant download · yours to keep · every purchase keeps this site free
Important facts
Related people
Same field, nearest in time
Contemporaries
People whose lives overlapped Harold H. Seward's
Frequently asked questions
Who was Harold H. Seward?
American computer scientist (1930-2012)
When was Harold H. Seward born?
Harold H. Seward was born on 24 July 1930 in Rutland.
When did Harold H. Seward die?
Harold H. Seward died on 19 June 2012 in Arlington.
What was Harold H. Seward's occupation?
Harold H. Seward was a physicist, computer scientist and inventor.
What was Harold H. Seward known for?
Harold H. Seward was known for Counting sort, Radix sort and Whirlwind Computer.
What nationality was Harold H. Seward?
Harold H. Seward was American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Harold H. Seward. https://biography.guide/harold-h-seward/
MLA: "Harold H. Seward." Biography.guide, https://biography.guide/harold-h-seward/.
Chicago: "Harold H. Seward." Biography.guide. https://biography.guide/harold-h-seward/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
Page generated 2026-09-27 05:33 UTC