birth_place article_title birth_date occupation
dartmouth , nova scotia don koharski
 2 december 1955 former nhl referee
don koharski

don koharski -lrb- born december 2 , 1955 -rrb- is a retired professional ice hockey referee in the national hockey league .
he currently resides in tampa , florida , with his wife , with whom he has two sons .
starting with the 1994 -- 95 nhl season , he wore uniform number 12 , and , since the 1987 -- 88 nhl season , he wore a helmet while refereeing nhl games .
