- French physicist (son of Antoine César).
- French physicist.
- French physicist (son of Alexandre Edmond): Nobel Prize 1903.
- the derived SI unit of radioactivity equal to one disintegration per second
- Antoine Henri (ɑ̃twan ɑ̃ri). 1852–1908, French physicist, who discovered the photographic action of the rays emitted by uranium salts and so instigated the study of radioactivity: Nobel prize for physics 1903