Some info about GERMAN
Category
SCIENCES
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.
Wikipedia contributors, "Hans Wilhelm Geiger," Wikipedia, The Free Encyclopedia,
ABOUT THE GERMAN LANGUAGE