Renee Powell and Althea Gibson were the first two African-American female golfers on the LPGA Tour. In what other sport did Gibson win major championships?
Althea Gibson:  The following year she won both Wimbledon and the U.S. Nationals (precursor of the U.S. Open), then won both again in 1958, and was voted Female Athlete of the Year by the Associated Press in both years. Althea Gibson:  "She is one of the greatest players who ever lived," said Robert Ryland, a tennis contemporary and former coach of Venus and Serena Williams. "
i don't know