Full Name: Clarence Campbell
Profession: 3rd President of the NHL
Why Famous: Served the longest tenure of any NHL president/commissioner from 1946 to 1977.
In that time, he oversaw the league’s most sizeable expansion, doubling membership from 6 to 12 teams at the start of the 1967-68 season. By the time he left office, 6 further franchises had been added.
His legacy is preserved in the form of the Western Conference playoff championship trophy.