Simplify the following text for a Grade 8 native English-speaking person.
Original: Joseph Viateur `` Leo '' Dandurand ( July 9 , 1889 â `` June 26 , 1964 ) , was the owner of the Montreal Canadians in the National Hockey League and in the league that evolved into the Canadian Football League .
Simplified: Joseph Viateur `` LÃ o '' Dandurand ( July 9 , 1889 â `` June 26 , 1964 ) , was a sportsman and businessman . He was the owner and coach of the Montreal Canadiens ice hockey team in the National Hockey League ( NHL ) .