Actor
Isadore Klein
Born 1897 · Newark, New Jersey, USA
Isadore "Izzy" Klein (1897-1986) was an American author-screenwriter and animator. He began his career as an author and then an animator at Disney Studios in 1936. From 1942, he worked as an author-animator for the Terrytoons studio. He stopped working as an animator in favor of scriptwriting. In the early 1960s, Klein resumed animation while remaining a screenwriter. He retired in 1969. [biography, translated and adapted, from French Wikipedia]
Writing

Popeye the Sailor
Writer · 1960

Wigwam Whoopee
Story · 1948

Silly Hillbilly
Story · 1949

Hot Air Aces
Writer · 1949
Readin', Writin', and Rhythmetic
Story · 1948
Invention Convention
Writer · 1953

Teacher's Pest
Story · 1950
Patriotic Pooches
Story · 1943
Planet Mouseola
Story · 1960
Good And Guilty
Story · 1962

Popeye's Premiere
Story · 1949

A Wolf in Sheik's Clothing
Story · 1948