Herbert John "Dick" Thompson (September 21, 1881 - November 12, 1937) was an American U. S. Racing Hall of Fame trainer of Thoroughbred racehorses. He was the trainer of the winning horse of the Kentucky Derby in 1921, 1926, 1932 and 1933. In 1916, Thompson went to work as an assistant trainer to at the Idle Hour Stock Farm of Edward R. Bradley near Lexington, Kentucky. Following Hammon's death on July 28, 1918, he took temporary charge of the stable and was permanently appointed head trainer in March 1919. Champions Trained by Thompson: