HANS GEIGER Hans Geiger, whose full name was Johannes Wilhelm Geiger, was born in Neustadt-an-der-Haardt, Germany, on September 30, 1882. He died in Berlin on September 24, 1945. He was the inventor of the Geiger counter Geiger got his the Ph.D. at the University of Erlanger in 1906. Geiger worked in Manchester England with Ernest Rutherford from 1906 to 1912. In 1922 they came up with the first version of the Geiger counter that was made to count the number of alpha …showed first 75 words of 370 total…

…showed last 75 words of 370 total…