biography
Johannes "Hans" Wilhelm Geiger was born in Germany on September 30, 1882.
He has made many contribution to science, and the atomic theory.
He has done things such as inventing the Geiger counter, and discover many theories of radioactivity.
Hans Geiger died on September 24, 1945, shortly after world war two ended.
He has made many contribution to science, and the atomic theory.
He has done things such as inventing the Geiger counter, and discover many theories of radioactivity.
Hans Geiger died on September 24, 1945, shortly after world war two ended.