He was the creator of the comic strip "Dennis the Menace" which runs in 1,000 newspapers in 48 countries and 19 languages. The strip also inspired a TV show by the same name in the early 1960s. Before drawing his strip, he worked first for Walter Lantz creator of "Woody Woodpecker" and then for Walt Disney where he worked on "Pinocchio", "Bambi", "Fantasia" and Donald Duck shorts.
Cause of death: Heart disease and cancer