Antoine Henri Becquerel, French physicist. Born 15 December 1852 in Paris, died 25 August 1908 in Le Croisic, France.
In 1896, Becquerel accidentally discovered radioactivity while investigating phosphorescence in uranium salts. In 1903 he shared Nobel prize for Physics with Pierre and Marie Curie "in recognition of the extraordinaryserviceshe has rendered by his discovery of spontaneous radioactivity".