This runner came first in the 400 m hurdle race at the 1932 Los Angeles games, but was disqualified for knocking down two hurdles, a fault that led to disqualification at the time.He got over his disappointment four years later in Berlin by easily winning the Olympic title. He had meanwhile remained unbeaten since his failure in Los Angeles.In Germany Tisdall set a world record for the event, which he was to keep until 1951.