Georges Sagnac
French physicist who lent his name to the Sagnac effect
About Georges Sagnac
Lived 1869 – 1928 (aged 58). Georges Sagnac was a French physicist and university teacher, known for Sagnac effect and X-ray fluorescence.
Georges Sagnac (; 14 October 1869 – 26 February 1928) was a French physicist who lent his name to the Sagnac effect, a phenomenon which is at the basis of interferometers and ring laser gyroscopes developed since the 1970s.
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 Georges Sagnac's
Frequently asked questions
Who was Georges Sagnac?
French physicist who lent his name to the Sagnac effect (1869–1928)
When was Georges Sagnac born?
Georges Sagnac was born on 14 October 1869 in Périgueux.
When did Georges Sagnac die?
Georges Sagnac died on 26 February 1928 in Meudon.
What was Georges Sagnac's occupation?
Georges Sagnac was a physicist and university teacher.
What was Georges Sagnac known for?
Georges Sagnac was known for Sagnac effect and X-ray fluorescence.
What nationality was Georges Sagnac?
Georges Sagnac was French.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Georges Sagnac. https://biography.guide/georges-sagnac/
MLA: "Georges Sagnac." Biography.guide, https://biography.guide/georges-sagnac/.
Chicago: "Georges Sagnac." Biography.guide. https://biography.guide/georges-sagnac/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
Page generated 2026-09-27 05:27 UTC