On this day, October 20, 1906, the illustrator Crockett Johnson (David Johnson Leisk) was born in New York   City. After studying at Cooper Union and at New YorkUniversity, Johnson worked in Macy’s advertising department and for a variety of magazines. Johnson illustrated some of his wife’s children’s books, wrote and illustrated his own children’s books (Harold and the Purple Crayon), and produced the comic strip, Barnaby.