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Alexandre Edmond
[a-lek-sahn-druh ed-mawn] /a lɛkˈsɑ̃ drə ɛdˈmɔ̃/ (Show IPA), 1820–91, French physicist (son of Antoine César).
Antoine César
[ahn-twan sey-zar] /ɑ̃ˈtwan seɪˈzar/ (Show IPA), 1788–1878, French physicist.
Antoine Henri
[ahn-twan ahn-ree] /ɑ̃ˈtwan ɑ̃ˈri/ (Show IPA), 1852–1908, French physicist (son of Alexandre Edmond): Nobel Prize 1903.
Historical Examples

These results, as well as the spectra obtained, he stated further, corroborated Becquerel’s observations.
Scientific American Supplement, No. 613, October 1, 1887 Various

In 1896 Becquerel brought us to the threshold of the great discovery.
The Outline of Science, Vol. 1 (of 4) J. Arthur Thomson

Becquerel and Breschet have noted fine phosphorescent effects from this cause in the waters of the Brenta at Venice.
The Ocean World: Louis Figuier

These are associated with the names of Marconi, Becquerel, and Langley.
An Introduction to the History of Science Walter Libby

And thus, by a sort of accident, he led up to the discovery of the Becquerel rays, so called.
Boys’ Second Book of Inventions Ray Stannard Baker

Becquerel may be considered one of the creators of electro-chemistry.
The New Gresham Encyclopedia. Vol. 1 Part 3 Various

Becquerel announced his discoveries in 1896 and this was the beginning of the new science of radio-activity.
A Brief Account of Radio-activity Francis Preston Venable

In two of the most severe of Becquerel’s cases the blood coagulated firmly, and in a slight case the clot was dark and loose.
A System of Practical Medicine By American Authors, Vol. II Various

These rays are often called Becquerel rays in honor of their discoverer.
Physics Willis Eugene Tower

The iron was in excess of that in the normal blood, but in Becquerel’s cases the mean was 0.381—less than the normal.
A System of Practical Medicine By American Authors, Vol. II Various

noun
the derived SI unit of radioactivity equal to one disintegration per second Bq
noun
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

becquerel bec·que·rel (bě-krěl’, běk’ə-rěl’)
n.
A unit of measurement of radioactivity, equal to one disintegration per second.
becquerel
(bě-krěl’, běk’ə-rěl’)
The SI derived unit used to measure the rate of radioactive decay. When the nucleus of an atom emits nucleons (protons and/or neutrons) and is thereby transformed into a different nucleus, decay has occurred. A decay rate of one becquerel for a given quantity means there is one such atomic transformation per second.
Becquerel
Family of French physicists, including Antoine César (1788-1878), one of the founders of the science of electrochemistry; his son Alexandre Edmond (1820-1891), noted for his research on phosphorescence, magnetism, electricity, and optics; and his grandson Antoine Henri (1852-1908), who discovered spontaneous radioactivity in uranium. Antoine Henri Becquerel’s work led to the discovery of radium by Marie and Pierre Curie, with whom he shared the 1903 Nobel Prize for physics.