Bothe, Walther Wilhelm Georg Franz (1891–1957)
German physicist. From 1934 he was director of the Max Planck
Institute, Heidelberg, and 1946 was professor at the university there. During
World War II he worked on German's nuclear energy project and built Germany's
first cyclotron. He shared the 1954 Nobel
Prize in Physics with Max Born for his development
of the coincidence method which can detect two particles
emitted simultaneously from the same nucleus during radioactive decay.