Mason Phelps III (1949 — 19 May 2021), often referred to as "Mason Phelps Jr.", was an American equestrian rider, founder of Phelps Media Group, and an Olympian. He was also president of the National Horse Show.
Mason Phelps III (1949 — 19 May 2021), often referred to as "Mason Phelps Jr.", was an American equestrian rider, founder of Phelps Media Group, and an Olympian. He was also president of the National Horse Show. (en)
Mason Phelps III (né en 1949 et mort le 19 mai 2021) est un cavalier américain de concours complet. (fr)