John Herschel Hardcastle
British artillery officer
About John Herschel Hardcastle
John Herschel Hardcastle was a chief of artillery.
Major John Herschel Hardcastle (1870–1937) was an artillery officer in the British Army.
He became a ballistics expert and conducted experiments at the Royal Arsenal to devise data and formulae which were used for the army's official ballistic tables. He was himself a good shot and represented England in the Elcho Shield contest.
His middle name comes from his mother, who was the daughter of the astronomer and polymath, Sir John Herschel.
Hardcastle had several patents on projectiles and devices for sighting (observation) from aircraft.
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
Frequently asked questions
Who was John Herschel Hardcastle?
British artillery officer
What was John Herschel Hardcastle's occupation?
John Herschel Hardcastle was a chief of artillery.
Sources & further reading
· Wikipedia: John Herschel Hardcastle
· DBpedia: John Herschel Hardcastle
Cite this page
APA: Biography.guide. (2026). John Herschel Hardcastle. https://biography.guide/john-herschel-hardcastle/
MLA: "John Herschel Hardcastle." Biography.guide, https://biography.guide/john-herschel-hardcastle/.
Chicago: "John Herschel Hardcastle." Biography.guide. https://biography.guide/john-herschel-hardcastle/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
Page generated 2026-09-27 05:10 UTC