William Wallace `` W. W. '' Denslow ( May 25 , 1856 - May 27 , 1915 ) was an American illustrator and caricaturist remembered for his work in collaboration with author L. Frank Baum , especially his illustrations of The Wonderful Wizard of Oz .
William Wallace Denslow ( 5 May 1856 - 27 May 1915 ) is known as W. W. Denslow .