John Edward Madden (1856–1929) was a prominent American Thoroughbred and Standardbred owner, breeder and trainer in the late nineteenth and early twentieth century.
He owned Hamburg Place Stud in Lexington, Kentucky and bred five Kentucky Derby and Belmont Stakes winners.
He was inducted into the National Racing Hall of Fame posthumously in 1983.
He was also inducted into the Harness Racing Hall of Fame for his contributions to the sport as a trainer, breeder and owner.
He is the only person to be inducted into both the Harness and Thoroughbred Halls of Fame.
He was also a businessman, who invested in corn refining.
Author: John Madden (1856-1929) Source: Plate from Madden's self-published book, "Madden's Stallion Record of Horses Not Well Known: whose pedigrees appear in many of our present day great trotters." 1917. License: PD US