[DUNNINGER] [DUNN, Robert (1908-1989), illustrator]. BELSON, Walter. Who Me? Drexel Hill: Bell Publishing, [1951]. 8vo. Illustrated by Dunn. Publisher?s pictorial boards (some edgewear, toning); publisher?s dust jacket (spine toned and worn, some edgewear, thumbsoiling, a few chips and tears). INSCRIBED BY DUNN TO HIS FRIEND, JOSEPH DUNNINGER, WITH AN ORIGINAL DRAWING OF DUNNINGER ON THE HALF-TITLE: ?Yes you Jolly Joe-The Greatest Friend I Have Thine ? Bob Dunn?. A good copy with an excellent inscription and association. Robert Dunn (1908-1989) was a cartoonist, magician and gag-writer. He is credited with inventing the modern ?knock-knock? joke in 1936.