Born in Sonora, Mexico, he became a prominent animator and director, known for his work on the "Peanuts" television specials. After studying at the Chouinard Art Institute, he joined Walt Disney Productions, contributing to classics like "Pinocchio" and "Fantasia." Later, he worked at Warner Bros. as an animator for Bugs Bunny and Daffy Duck. His collaboration with Charles M. Schulz brought to life iconic characters like Charlie Brown and Snoopy, earning multiple awards for his animation excellence.