Mark Gerard was an American equine

Horse

The horse is one of two extant subspecies of Equus ferus, or the wild horse. It is a single-hooved mammal belonging to the taxonomic family Equidae. The horse has evolved over the past 45 to 55 million years from a small multi-toed creature into the large, single-toed animal of today...

 veterinarian

Veterinarian

A veterinary physician, colloquially called a vet, shortened from veterinarian or veterinary surgeon , is a professional who treats disease, disorder and injury in animals....

. Gerard was born in Brooklyn

Brooklyn

Brooklyn is the most populous of New York City's five boroughs, with nearly 2.6 million residents, and the second-largest in area. Since 1896, Brooklyn has had the same boundaries as Kings County, which is now the most populous county in New York State and the second-most densely populated...

, New York

New York City

New York is the most populous city in the United States and the center of the New York Metropolitan Area, one of the most populous metropolitan areas in the world. New York exerts a significant impact upon global commerce, finance, media, art, fashion, research, technology, education, and...

, and graduated from Cornell University

Cornell University

Cornell University is an Ivy League university located in Ithaca, New York, United States. It is a private land-grant university, receiving annual funding from the State of New York for certain educational missions...

. As a student he worked as an exercise rider for, among others, Hall of Fame

National Museum of Racing and Hall of Fame

The National Museum of Racing and Hall of Fame was founded in 1950 in Saratoga Springs, New York, to honor the achievements of American thoroughbred race horses, jockeys, and trainers...

 trainer James E. Fitzsimmons.

Gerard started practice as a veterinarian for race horses, some highly successful ones, such as Canonero II

Canonero II

Canonero II , was a Venezuelan champion thoroughbred race horse.Bred by Edward B. Benjamin in Greensboro, North Carolina, the bay colt was born with a noticeably crooked foreleg, and as such was considered to have no future in racing. He was sold as a yearling for a mere $1,200 at the Keeneland...

, who won the Kentucky Derby

Kentucky Derby

The Kentucky Derby is a Grade I stakes race for three-year-old Thoroughbred horses, held annually in Louisville, Kentucky, United States on the first Saturday in May, capping the two-week-long Kentucky Derby Festival. The race is one and a quarter mile at Churchill Downs. Colts and geldings carry...

. In 1977, Gerard was involved in a much-publicised scandal involving horse switching. Gerard had imported two horses from Uruguay

Uruguay

Uruguay ,officially the Oriental Republic of Uruguay,sometimes the Eastern Republic of Uruguay; ) is a country in the southeastern part of South America. It is home to some 3.5 million people, of whom 1.8 million live in the capital Montevideo and its metropolitan area...

, a champion named Cinzano and the much cheaper Lebon. After Lebon had under-performed in his earlier races, Gerard ran Cinzano in its name. Cinzano subsequently won as a 57-1 ousider at New York's Belmont Park

Belmont Park

Belmont Park is a major thoroughbred horse-racing facility located in Elmont in the Town of Hempstead in Nassau County, New York, on Long Island adjoining New York City. It first opened on May 4, 1905...

, and Gerard collected a $77,920 winning on a bet.

Later, a Uruguayan journalist recognized the horse as Cinzano from a picture, and an investigation was started. Gerard was sentenced to one year in prison and a $1,000 fine.

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