Simplify the following text for a Grade 10 native English-speaking person.
Original: Alexander `` Killer '' Kaleta ( November 29 , 1919 â `` July 9 , 1987 ) was a professional Canadian ice hockey left winger that played 7 seasons in the National Hockey League ( NHL ) with the Chicago Black Hawks and New York Rangers organizations .
Simplified: Alexander `` Killer '' Kaleta ( November 29 , 1919 -- July 9 , 1987 ) was a Canadian professional ice hockey player . He played in the National Hockey League ( NHL ) for the Chicago Black Hawks and New York Rangers and is best known for his part in originating hockey 's hat trick tradition .