Joseph "Jo" Siffert was a Swiss racing driver, who competed in Formula One from 1962 to 1971. Siffert won two Formula One Grands Prix across 10 seasons.
Siffert in 1968
Siffert at the wheel of a Porsche 906 in practice for the 1966 1000 km Nürburgring race
Siffert in the Porsche 908.03 at the 1970 1,000 km Nürburgring
Siffert at the wheel of a Porsche 908
Christopher Arthur Amon was a New Zealand racing driver and motorsport executive who competed in Formula One from 1963 to 1976. Widely regarded as one of the greatest drivers to never win a Formula On
Amon in 1973
Amon driving for Ferrari in the 1968 Dutch Grand Prix
Amon in the 3.0L Ferrari 312P during the 1969 Nürburgring 1000 km.
Amon at the 1970 Dutch Grand Prix