With winners of the Grand National, the Champion Hurdle and the Gold Cup, six Epsom Derby winners and five Irish Derby successes to his name, no one man has made a greater impact on the world of horse training and breeding than Vincent O'Brien. This biography looks at O'Brien's life and childhood. Lester Piggott, Pat Eddery, Scobie Breasley, Robert Sangster and many others discuss their association with O'Brien and the horses that made his name - Ballymoss, Nijinsky, Golden Fleece and Alleged. Raymond Smith is the author of Garret - The Enigma and Charles J. Haughey - The Survivor.