Robert V. "Longie" Powell
February 14, 1919
June 27, 1969
1942-43 Harlem Globetrotters (barnstorming)
1946-47 New York Rens (independent)
1947-48 Chicago Colored Collegians (independent)
1948-49 Dayton Rens (NBL)
Various news article and sources say he is from Gary, Indiana.
There is a Robert V. Powell, born Feb 14, 1919 in Mississippi, lived in Gary in 1930 Census, died in Gary June 27, 1969. Son of Earnest (and Verlillie?), married to Ola. Pretty sure it his him.
Death certificate at Ancestry.com (membership required)