Claim: Rudolf Ruedemann, born in Georgenthal, Germany but emigrated to the U.S. in 1892, is primarily interested in graptolites but did not pursue a career in paleontology.
Evidence: Rudolf Ruedemann (October 16, 1864–June 18, 1956) was a German American paleontologist, widely known as an expert in graptolites, enigmatic fossil animals.