This article, commemorating the centenary of the death of Henri Becquerel (1852–1908), discusses the Becquerel dynasty; Henri Becquerel’s life and career; the discovery of radioactivity, polonium, and radium; the contributions of Pierre and Marie Curie; the 1903 Nobel Prize in Physics; and the priority dispute over the discovery of radioactivity.
Adloff et al. (Tue,) studied this question.