Rudolf Ruedemann, born in Georgenthal, Germany but emigrated to Canada in 1892, is primarily interested in graptolites but did not pursue a career in paleontologya scientific study of earlier life which includes studies of fossils.
He emigrated to the United States in 1892 and taught at the high schools of Lowville and Dolgeville, New York for several years before joining the State Museum in 1899, where he worked for the remainder of his career. 
