A lawyer from Locarno, Count Ottorino Volonterio of Orselina was an enthusiastic Swiss amateur who rarely troubled the score sheets. With a pace that varied between slow and very slow his career was spent at a leisurely pace.

Aston Martin and ERA exponent Jock Horsfall won the 1948 Spa 24 hour race. He was killed the following year in an ERA at Silverstone. During the war he was involved in Operation Mincemeat, a highly successful British plan to convince the German High Command (OKW) that the Allies would invade the Balkans and Sardinia instead of the island of Sicily, the actual objective.