How many seasons did the man whose name was use in Honor of Maurice "Rocket" Richard Trophy played  in the National Hockey League?
Maurice Richard Joseph Henri Maurice "Rocket" Richard {'1': ", '2': ", '3': ", '4': "} ( ; ] ; August 4, 1921 – May 27, 2000) was a Canadian professional ice hockey player who played 18 seasons in the National Hockey League (NHL) for the Montreal Canadiens. He was the first player in NHL history to score 50 goals in one season, accomplishing the feat in 50 games in 1944–45, and the first to reach 500 career goals. Richard retired in 1960 as the league's all-time leader in goals with 544. He won the Hart Trophy as the NHL's most valuable player in 1947, played in 13 All-Star Games and was named to 14 post-season NHL All-Star Teams, eight on the First-Team. On January 1, 2017, in a ceremony prior to the Centennial Classic, Richard was part of the first group of players to be named one of the '100 Greatest NHL Players' in history.
Don Gallinger Donald Calvin "Gabby" Gallinger (April 16, 1925 – February 3, 2000) was a professional ice hockey player who played 222 games in the National Hockey League. Born in Port Colborne, Ontario, he played for the Boston Bruins. Gallinger was one of the league's youngest players when he broke into the NHL, playing on the "Sprout Line" of Boston with Bill Shill and Bep Guidolin. Gallinger's career was cut short, when in 1948 Gallinger and former team-mate Billy Taylor were discovered gambling on their own teams and banned for life by the NHL. They were reinstated in 1970 and these are the longest suspensions in NHL history. Prior to the suspension, Gallinger had established himself an effective offensive NHL player and, as an excellent multi-sport athlete, had even been sought after to play professional baseball.