Early Disney animator and cartoonist who drew the first images of Mickey Mouse; winner of two Academy Awards. Also famous for his Flip the Frog character that was produced through his short-lived Iwerks Studio.
He met Walt Disney in 1919, when the two working for Kansas City's Pesmen-Rubin Art Studio. The two decided to become animators while employed with the Kansas City Film Ad Company. He co-created Mickey Mouse and Oswald the Lucky Rabbit with Disney.
He created the Academy Award-nominated special effects for Alfred Hitchcock's horror film "The Birds" from 1963.
He was the father of Disney legend Don Iwerks and the grandfather of documentary film producer Leslie Iwerks.
He collaborated with Bob Clampett on two "Looney Tunes" cartoons while under contract with Leon Schlesinger Productions in 1937.