[3] His early television commercials featuring a lion emerging from the Wall Street subway station were successful.
Dreyfus married in 1939 Joan Personette, from whom he was divorced; they had one child, John (Jonny).
[2] He was a proponent of Phenytoin all his life and he also had his autobiography bound together with his previous work, A Remarkable Medicine Has Been Overlooked.
[11] Dreyfus established the noted Hobeau Farm in Ocala, Florida, in the early 1960s where he bred, trained and raced Thoroughbred racehorses.
[12] He sold the property (reduced to 1,830 acres) in February 2005 for $12,750,000 [13] Jack Dreyfus was Chairman of the New York Racing Association.