He is most famous for:
* Being a champion jockey: He won many prestigious races in England, including the Epsom Derby.
* Founding a horse-training establishment: He established a training stable at Newmarket, which trained many successful racehorses.
* Being a skilled horseman: He was known for his horsemanship skills, and his books about horse training are still consulted today.
While he may have written some articles or diaries for private use, no known published works exist.