Hanna and Barbera would establish Hanna-Barbera with Anchors Aweigh director George Sidney following the closure of the MGM cartoon studio.
When he was a young child, Hanna's family moved frequently, but they settled in Compton, California, by 1919. There, Hanna became an Eagle Scout. Hanna graduated from Compton High School in 1928. He briefly attended Compton City College but dropped out at the onset of the Great Depression.