Tags: Comics Creator.
Crockett Johnson was the pen name of cartoonist and children’s book illustrator David Johnson Leisk (October 20 1906–July 11 1975). He is perhaps best known for the comic strip Barnaby (1942–1952) and the Harold series of books begun with Harold and the Purple Crayon.From 1965 until his death Johnson created over a hundred paintings relating to mathematics and mathematical physics. Eighty of these are found in the collections of the National Museum of American History.