Simplify the following text for a Grade 11 native English-speaking person.
Original: Miles Gilbert `` Tim '' Horton ( January 12 , 1930 -- February 21 , 1974 ) was a Canadian professional hockey defenceman from Cochrane , Ontario .
Simplified: Myles Gilbert `` Tim '' Horton ( January 12 , 1930 -- February 21 , 1974 ) was a Canadian professional ice hockey defenceman .