Jack Middelburg
Jack Middelburg (30 April 1952 – 3 April 1984) was a
Dutch professional
Grand Prix motorcycle road racer. Together with
Wil Hartog and
Boet van Dulmen, he was part of a contingent of Dutch riders who competed at the highest levels of Grand Prix racing in the late 1970s. Middelburg never earned a factory-sponsored race bike, yet managed to post some impressive results.
Provided by Wikipedia