Frank Buckle , John Wastell , Robert Robson and lad . Jockey Frank Buckle ( left ) rode for 48 years . He was known as the ' pocket Hercules ' and the ' Peterborough Screw ' John Wastell (second left ) was an owner breeder in his own right as well as being the Duke of Grafton ' s manager . His best horse Scotia was the winner of the Oaks in 1802 . Robert Robson was a trainer . He trained seven Derby winners and eleven Oaks winners and started a revolution in training methods