Bob Karstens

Bob Karstens was a former 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. Karstens first nonblack 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.