Johannes "Hans" Wilhelm Geiger was a German experimental physicist. He is known as the inventor of the Geiger counter, a device used to detect ionizing radiation, and for carrying out the Rutherford s
Hans Albrecht Eduard Bethe was a German-American physicist who made major contributions to nuclear physics, astrophysics, quantum electrodynamics and solid-state physics, and received the Nobel Prize
Hans Geiger
…in ending the war. Although Geiger signed a petition against the Nazi government's interference with universities, he provided no support to colleague Hans Bethe (winner of the 1967 Nobel Prize in Physics) when he was fired for being Jewish. Geiger endured the Battle of Berlin and subsequent Soviet occupation…
Hans Bethe
Hans Bethe, aged 12, with his parents
Bethe's Los Alamos Laboratory ID badge
Hans Bethe lecturing at Dalhousie University, 1978