Pioneer in radioactivity and radiochemistry, who’s referred to as the ‘Dad of of nuclear chemistry.’ He won the Nobel Award in Chemistry in 1944 for the breakthrough of nuclear fission. The just break in his extreme research of chemistry was to get a mandatory season of military assistance. He was honored the Yellow metal Medal from the Pontifical Academy of Sciences by Pope John XXIII in 1961. Delivered to parents Heinrich Hahn, a glazier and business owner, and Charlotte Hahn, he previously 4 old brothers: Karl, Heiner, Julius, and Otto. He became a member of Albert Einstein among the most significant German-born scientists from the 20th century.