Paul Graebner [SEP] place of death
Paul Graebner
Carl Otto Robert Peter Paul Graebner (29 June 1871 in Aplerbeck – 6 February 1933 in Berlin) was a German botanist.
In 1895 he obtained his doctorate in Berlin, successively working as an assistant and then as curator (1904) at the botanical gardens. During the 1890s he performed botanical investigations in Jerichower Land and Vorharz with Paul Ascherson (1834–1913).
He later became a professor at the Botanical Garden and Museum in Berlin-Dahlem, from where he conducted floristic and phytogeographical research.
Clark Graebner
Clark Graebner (born November 4, 1943), is a retired American professional tennis player.
Early life.
Graebner was born in Cleveland, Ohio, the only child of Paul Graebner, a doctor, and his wife, the former Janice Clark. Paul had been a moderately successful youth player. Clark won the state high-school tennis championship three times. He graduated from Northwestern University, where he joined the Delta Upsilon fraternity. 
In 1964 he married rising American tennis player Carole Caldwell.