The Oldtimer Grand Prix on the Salzburgring near Salzburg, Austria, had been brought into being by Prof. Dr. Helmut Krackowizer, the famous Austrian journalist and ex-motorcycle racer.
He counted as friends Sammy Miller, John Surtees, Walter Zeller, Luigi Taveri, Hans Haldemann, Georg Schorsch Meier and many other persons of the motor racing scene.
Among the most prominent participants were: To mention a few: ...as well as an Austro Daimler ADM 1924, DKW F1 racing car 1930, Rolls-Royce 20/25 from 1934, Mercedes-Benz 300 SL from 1952, a Staguellini Formel Junior 1959 (the Stanguellini company is based in Modena, Italy.
Niki Lauda was driving such a car in his early career); Also, a Scott TT 500 of 1926, Puch 250 Sport of 1928, Megola 640 5-cylinder of 1923, DKW 350 SS of 1939 and many Rudge-bikes.
The range of motorcycles started with Ariel and AJS and continued through Brough-Superior, BSA, Calthorpe, DKW, D-Rad, Douglas, Gillet Herstal, Humber, Harley-Davidson, Moto Guzzi, Megola, Norton, New Imperial, NSU, Puch, Raleigh, Rudge, Schütthoff, Standard, Velocette and Wimmer to Zenith