Former Grand Prix racer Pat Hennen died April 7 at the age of 70. The following is from Pat Hennen's AMA Motorcycle Hall of Fame biography: Pat Hennen was the first American to win a 500cc World Grand Prix road race. His victory at the 1976 Finland GP paved the way for a flood of American riders who would come to dominate the sport. Hennen began his career in 1972 as an AMA dirt track and road racing competitor. His rapidly rising career was ended prematurely by a crash at the Isle of Man TT in 1978. Hennen’s short but brilliant career was an inspiration to all American road racers of his era. He proved that an American could win in the highest echelon of motorcycle racing at a time when few thought it could be done. Hennen was born in Phoenix, Arizona, on April 27, 1953. His family moved to the San Francisco Bay area when he