Julius Erving — American Athlete born on February 22, 1950,

Julius Winfield Erving II, commonly known by the nickname Dr. J, is a retired American basketball player who helped popularize a modern style of play that emphasizes leaping and playing above the rim. Erving helped legitimize the American Basketball Association and was the best-known player in that league when it merged with the National Basketball Association after the 1975–76 season... (wikipedia)