Duccius[?] - inscriptions, notably a tombstone of Lucius Duccius Rufinus at York[2] (http://museums.ncl.ac.uk/archive/arma/contents/iconog/tombston/cent1/uk/york/duccius.htm)
... Graham Hill, (United Kingdom)
1964 - Graham Hill, (United Kingdom)
1965 - Graham Hill, (United Kingdom)
1966 - Jackie Stewart[?], (United Kingdom)
1967 - Denny Hulme[?], ...