Arthur B. Hancock Jr.

Arthur B. Hancock Jr.
BornJanuary 24, 1910
DiedSeptember 14, 1972(1972-09-14) (aged 62)
Resting placeParis Cemetery, Kentucky
EducationPrinceton University
Woodberry Forest School
St. Mark's School
OccupationThoroughbred racehorse owner/breeder
Known forClaiborne Farm
SpouseWaddell Walker (1914–2005)
ChildrenSons: Arthur III, Seth W.
Daughters: Nancy Clay, Waddell Walker
Parent(s)Arthur B. Hancock
Nancy Clay
AwardsHall of Fame inductee (2016)

Arthur B. "Bull" Hancock Jr. (January 24, 1910 – September 14, 1972) was a breeder and owner of thoroughbred racehorses at Claiborne Farm in Paris, Kentucky, United States. He acquired European horses to breed in the United States, in particular Nasrullah and Princequillo, and gained great standing in the racing world as a result.