Mortimer Leav (born July 9, 1916, New York City, New York; died September 21, 2005) is an American artist best known as co-creator of the influential comic-book character the Heap, and for his advertising art, which included some of the earliest TV commercial storyboards - among them, for Procter & Gamble's venerable Charmin bathroom-tissue character, the grocer Mr. Whipple. Wikipedia
The definitive Wikipedia entry for Mort Leav. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Mort_Leav