Jones, Bobby (Robert Tyre Jones, Jr.; 1902–71), U.S. golfer. Although he was an amateur, he won the U.S. Open four times (1923, 1926, 1929, 1930) and the British Open three times (1926, 1927, 1930). In 1926 he became the only golfer ever to win both those titles in the same year. He won a total of five U.S. Amateur tournaments (1924, 1925, 1927, 1928, 1930). In 1930 he won golf's grand slam, winning the amateur and open championships in both Britain and the United States. After his retirement, he and banker Clifford Roberts founded the Augusta National Golf Club in Georgia, establishing what is now called the Masters tournament.