Johannes Wilhelm "Hans" Geiger was a German physicist. He is best known as the co-inventor of the detector component of the Geiger counter and for the Geiger–Marsden experiment which discovered the atomic nucleus. He was the brother of meteorologist and climatologist Rudolf Geiger.
Johannes Wilhelm was born in 1882 in Neustadt an der Haardt. He was the son of Studienlehrer Dr. Ludwig Wilhelm Geiger and Marie Plochmann.[1]
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Categories: Neustadt an der Weinstraße, Rheinland-Pfalz | Potsdam, Brandenburg | Germany, Inventors | Physicists | Germany, Notables | Notables