In 1957, when MGM closed down their animation division, producers William Hanna and Joseph Barbera quickly formed their own company, and Daws Butler and Don Messick were on-hand to provide voices.
Producers William Hanna and Joseph Barbera quickly formed their own company. This was in 1957. MGM closed down their animation division. Daws Butler and Don Messick were on-hand to provide voices. This was in 1957. MGM closed down their animation division.