Thomas Dickson Armour (24 September 1896 – 11 September 1968) was a Scottish-American professional golfer. He was nicknamed The Silver Scot. He was the winner of three of golf's major championships: 1927 U.S. Open, 1930 PGA, and 1931 Open Championship. Armour popularized the term yips, the colloquial term for a sudden and unexplained loss of skills in experienced athletes. Early life Armour was born on 24 September 1896 in Edinburgh, Scotland, the son of Martha Dickson and her husband George Armour, a baker. He went to school at Boroughmuir High School, Edinburgh, (formerly Boroughmuir Senior Secondary School) and studied at the University of Edinburgh. At the outbreak of World War I enlisted with the Black Watch and was a machine-gunner. He rose from private to Staff Major in the Tank Corps. His conduct earned him an audience with George V. However, he lost his sight to a mustard gas explosion and surgeons had to add a metal plate to his head and left arm. During his convalescence, he regained the sight of his right eye, and began playing much more golf. Golf career Armour won the French Amateur tournament in 1920. He moved to the United States and met Walter Hagen who gave him a job as secretary of the Westchester-Biltmore Club. He competed in important amateur tournaments in the U.S. before turning professional in 1924. Armour won the 1927 U.S. Open, 1930 PGA Championship, and the 1931 Open Championship. With Jim Barnes and Rory McIlroy, he is one of three natives of The United Kingdom to win three different professional majors. His 1930 campaign was overshadowed by Bobby Jones' Grand Slam, and Armour seems to have been overlooked. Armour also won the Canadian Open three times, a feat exceeded only by Leo Diegel, who won four. At the Shawnee Open in 1927, Armour scored the first ever "archaeopteryx" (15 or more over par) when he made a 23 on a par 5, for 18 over par. It still stands as the highest score on a hole in PGA history. This historic performance happened just one week after he'd won the U.S. Open. Retirement and later life Armour retired from full-time professional golf after the 1935 season, although he competed periodically in top-class events for several years afterwards. He taught at the Boca Raton Club in Florida from 1926 to 1955, for $50 a lesson. His pupils included Babe Didrikson