Henri+Becquerel+-+RB

Henri Becquerel a French scientist who assisted Madame Curie and her husband in their work about the discovery of radioactivity. Henri was a co-winner of the Nobel Prize. He stumbled accross radioactivity while investigating phosphorescences in Uranium salts. The SI unit for radioactivity is called the becquerel (Bq) is named after him, in addition there is craters both on the moon and mars named after him.
 * Antoine Henri Becquerel** (15 December 1852 – 25 August 1908)