Claim: 1966 German Grand Prix had 30 drivers, one of whom is Jim Clark.
Evidence: Australia Jack Brabham United_Kingdom John Surtees Austria Jochen Rindt United_Kingdom Graham Hill United_Kingdom Jackie Stewart Italy Lorenzo Bandini United_States Dan Gurney France Jean-Pierre Beltoise West_Germany Hubert Hahne France Jo Schlesser West_Germany Hans Herrmann United_Kingdom Peter Arundell United_Kingdom Mike Spence United_Kingdom Jim Clark United_Kingdom Chris Lawrence Italy Ludovico Scarfiotti United_Kingdom Mike Parkes New_Zealand Denny Hulme Mexico Pedro Rodríguez Sweden Jo Bonnier United_Kingdom Piers Courage United_Kingdom Alan Rees United_States Bob Bondurant United_Kingdom Bob Anderson West_Germany Kurt Ahrens, Jr. United_Kingdom John Taylor Belgium Jacky Ickx France Guy Ligier Switzerland Silvio Moser West_Germany Gerhard Mitter