Jonathan Penrose
He competed in Chess Olympiads between 1952 and 1962, and at the Olympiads of 1968 and 1970. His scores included +9−1=7 in 1962 (Varna), and +10−0=5 in 1968 (Lugano). On both occasions he won an individual silver medal on first board. In 1968, his score was bettered only by the World Champion, Tigran Petrosian.