Breeder/Owner: M. Marcel Boussac Won: Prix du Jockey Club (French Derby) 2nd: Ascot Gold Cup (defeating Hyperion). A horse of notorious ill-temper - he was seized by the German army during their occupation of France in 1944, and allegedly killed two of the soldiers who were attempting to subdue him. Thor was later exported to England's National Stud, where he was put down in 1947 after mauling his groom.