Bob Karstens
Bob Karstens was a professional basketball player in the United States. Karstens was born in Davenport, Iowa and attended school at Iowa Central Turner Gym and St. Ambrose College. A white man, Karstens was the first non-black player on the Harlem Globetrotters' roster in 1942–43. He invented a few routines including the magic circle and the yo yo basketball. He played on the All Black Team, 8 years before the NBA was integrated. He stayed on as a team manager from 1954 to 1994. He died on December 31, 2004.