William Hanna worked in the 20th century.
William Hanna . After working odd jobs in the first months of the Depression , Hanna joined the Harman and Ising animation studio in 1930 . During the 1930s , Hanna steadily gained skill and prominence while working on cartoons such as Captain and the Kids . In 1937 , while working at Metro-Goldwyn-Mayer ( MGM ) , Hanna met Joseph Barbera .