sentence: records most successful horse since 1946 ( 2 wins ) : top twenty -- 1958 , 1959 dulwich -- 1974 , 1976 leading jockey since 1946 ( 4 wins ) : graham bradley -- pearlyman ( 1986 ) , my young man ( 1992 ) , sound reveille ( 1995 ) , uncle ernie ( 1997 ) leading trainer since 1946 ( 3 wins ) : fulke walwyn -- loyal king ( 1946 ) , rose & crown ( 1953 ) , richard of bordeaux ( 1964 ) winners since 1946 weights given in stone and pound ; amateur jockeys indicated by '' mr '' .