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.
Harry Oliver (ice hockey) Harold "Pee-Wee" Oliver (October 26, 1898 – June 16, 1985) was a Canadian ice hockey forward who played for the Calgary Tigers of the Western Canada Hockey League (WCHL) and the Boston Bruins and New York Americans of the National Hockey League (NHL). He was a member of the Tigers' 1924 WCHL championship and won the Stanley Cup with the Bruins in 1929. Oliver played nearly 600 games in a professional career that spanned 16 seasons and scored 217 goals. He was inducted into the Hockey Hall of Fame in 1967.