Please answer the following question: Facts: - other team: cfl official - other years: 1960-1981 - position: referee - cfhof: barkerdonald - birth date: november 11 , 1929 - name: donald barker - other title: official - birth place: edmonton , alberta - cfhofyear: 1999 Based on these bullet points, write a short biography describing the life of donald barker .
Answer:
donald '' don '' barker was a canadian cfl referee .he officiated in more than 500 cfl games including 10 grey cup finals .after retiring he was the cfl director of officiating and a supervisor from 1985 through 1998 .in 1999 , he was inducted as a builder into the canadian football hall of fame .