Golf Courses by David Foulis

David Foulis (19 April 1868 – 11 June 1950) was a Scottish-American professional golfer who played in the late 19th century and early 20th century. Foulis tied for eighth place in the 1897 U.S. Open, held at the Chicago Golf Club in Wheaton, Illinois. He was the inventor of the golf hole cup liner or "golf flag support" and received a patent for the invention in 1912. He and his brother James were co-inventors of the modern 7-iron, which they called a "mashie-niblick".