Charles Blair Macdonald was an influential American golf course designer and a key figure in the early development of golf in the United States. Born in 1855, he is often regarded as the "father of American golf course architecture." Macdonald was instrumental in introducing the principles of strategic golf course design, drawing inspiration from famous courses in Scotland. In addition to his design work, Macdonald was a skilled golfer and won several prestigious tournaments, including the U.S. Amateur Championship. He designed notable courses such as National Golf Links of America and Chicago Golf Club, which are celebrated for their innovative layouts and natural beauty.