Total Football is a football system where a player who moves out of his position is replaced by another from his team, thus retaining their intended organisational structure. It was originally invented and developed by Rinus Michels[?].
... actress (+ 1983)
April 22 - Robert Oppenheimer, physicist (+ 1967)
May 6 - Harry Martinson, swedish author, winner of the Nobel Prize in literature
May 11 - ...