No Golfer has ever won the Grandslam.
History has not recorded the first African American who played golf. However, the first African American to receive full Professional Golf Association status was Charlie Sifford in 1960.
Charlie Sifford was instrumental in ending segregation in the Professional Golfer's Association of America. He was also the first African American inducted into the World Golf Hall of Fame.
Ty tryon was the youngest player at 17 years old.
The first black man to play in the Masters Tournament was Lee Elder, in 1975.
the 1997 master's golf tournament
Yes, as of 2009, there are a few known elitist golf organizations which forbid even the most revered African-American businessman from brandishing a golf club within their jurisdictions.