He starred at Roth High School in Dayton, where he teamed at guard with another future NBA player, Don Smith.

[2] Lumpkin played college basketball at Miami University in Oxford, Ohio, where he lettered for three years.

[5] In 1991, Lumpkin became a physical education teacher and head coach of the boys' basketball program at O'Dea High School in Seattle, Washington.

He died two years after winning his last title in 2007, and was later succeeded by Al Hairston another legendary Seattle area prep boys basketball coach.

[2] Shortly before his death, he was selected for induction into the Washington Interscholastic Basketball Association Hall of Fame.