Hahn Otto was born March 8, 1879 in Frankfurt, Germany. He went to to the University of Marburg and got his Ph.D. in 1901. He worked with William Ramsey for a year and it was William who introduced him to radiochemistry. He then moved Montreal, Canada in 1905 to work with Rutherford. In 1944 he was awarded the Nobel Peace Prize for his work in Chemistry. Otto was the first person to discover nuclear fission and he passed away on July 28th, 1968 in Göttingen, Germany.