Question: Who was a Disney writer who started out as a layout artist on 1940s cartoons including a 1943 American animated anti-Nazi propaganda short film produced by Walt Disney Productions and released in 1943 by RKO Radio Pictures ?
Sentence (from "Saludos Amigos"): Saludos Amigos (Spanish for "Greetings, Friends") is a 1942 American live-action animated package film produced by Walt Disney and released by RKO Radio Pictures.
Relevant evidence: No