Opel people

Gerd Stieler von Heydekampf (5 January 1905 – 25 January 1983) was an engineer who became a leading figure in the German automobile industry during the 1950s and 1960s. He joined NSU in 1948, becoming the company's chairman in 1953. Following the takeover of the company by Volkswagen, he stayed on as chairman of the new conglomerate's Audi-NSU division till 31 March 1971 when he retired following a heart attack.

Hanns Grewenig (30 September 1891 - 6 April 1961) was a German engineer who pursued a successful career in the German Automobile Industry. He was the Commercial Director and a leading member of the executive board at BMW between 1948 and 1957.