Otto Hahn

German nuclear chemist and Nobel laureate (1879–1968)

Otto Hahn (German: [ˈɔtoː ˈhaːn]; 8 March 1879 – 28 July 1968) was a German chemist who was a pioneer in the field of radiochemistry. He is referred to as the father of nuclear chemistry and discoverer of nuclear fission, the science behind nuclear reactors and nuclear weapons.²

From Wikipedia’s article on Otto Hahn (this version), CC BY-SA 4.0.

Born Mar 8, 1879, died Jul 28, 1968.¹