John Michael Plumb is an American equestrian and Olympic champion who competes in the sport of three-day eventing. He holds the title of the US Olympic competitor who has competed in the greatest number of Olympics, winning two team gold medals, three team silvers and one individual silver. He has also competed at the World Equestrian Games and Pan-American Games, winning medals at both, as well as competing in the Rolex Kentucky Three Day and steeplechase events. He has been named to the Hall of Fame of the United States Eventing Association, as well as winning annual USEA awards, and is the only equestrian rider to have been inducted to the United States Olympic Hall of Fame. He was previously married to fellow Olympian Donnan Plumb, and the couple have three sons. 

March 28th, 1940 in Suffolk County (Age 84)