Dutch-born GrocerJack worked on the development of rear-axles for trucks about 15 years, focussing on hypoid- and bevel gears. Wrote his Ph.D. on that subject. Since 2000, he lives in Southern Germany, where he has worked on the development of automatic transmissions for passenger cars, focussing on gears and differentials. Since his retirement, he got involved in the heydays of motor racing, being the focus of this website.
This website is additionally supported by a veritable racefan, also known as YKW.