Off the top of my head, I can think of
Martin Brodeur influencing the no-touch zone for goalies
and
Jean Beliveau making it so that powerplays ended after a goal was scored (he wasn't solely responsible, but it WAS the 60s Habs, and he was their centerpiece)
Martin Brodeur influencing the no-touch zone for goalies
and
Jean Beliveau making it so that powerplays ended after a goal was scored (he wasn't solely responsible, but it WAS the 60s Habs, and he was their centerpiece)