Alberto Ascari, Lancia D50, Grand Prix of Monaco, Circuit de Monaco, 22 May 1955. Alberto Ascari at the wheel of the Lancia D50 in the 1955 Monaco Grand Prix where, while in the lead, he crashed through the barriers into the harbour and had to swim to safety. Four days later, he was killed while testing in Monza.. (Photo by Bernard Cahier/Getty Images)