About Émile Gagnan
Lived 1900 – 1984 (aged 83). Émile Gagnan was a French and Canadian engineer.
Émile Gagnan (1900 – 1984) was a French engineer and, in 1943, co-inventor with French Navy diver Jacques-Yves Cousteau of the Aqua-Lung, the diving regulator (a.k.a. demand-valve) used for the first Scuba equipment.
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
Contemporaries
People whose lives overlapped Émile Gagnan's
Frequently asked questions
Who was Émile Gagnan?
French engineer (1900–1984)
When was Émile Gagnan born?
Émile Gagnan was born on 11 December 1900 in Saint-Jean-de-Losne.
When did Émile Gagnan die?
Émile Gagnan died on 27 April 1984 in 15th arrondissement of Paris.
What was Émile Gagnan's occupation?
Émile Gagnan was an engineer.
What nationality was Émile Gagnan?
Émile Gagnan was French and Canadian.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Émile Gagnan. https://biography.guide/emile-gagnan/
MLA: "Émile Gagnan." Biography.guide, https://biography.guide/emile-gagnan/.
Chicago: "Émile Gagnan." Biography.guide. https://biography.guide/emile-gagnan/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
Page generated 2026-09-27 05:21 UTC