Artists use caricature to distort the human face or figure for comic affect, 21 while at the same time capturing an identifiable likeness and suggests 22 the essence of the personality or character beneath the surface. The humor lies in the fact the caricature is recognizable, and yet exaggerated. 23 From their origin in Europe as witty sketches, caricature grew through 24 the eighteenth and nineteenth century, becoming enormously popular in 25 the United States early in this century. In 1920s and 1930s especially, this lively form of illustration was appeared in newspapers and 26 magazines throughout the country. The caricaturists in this era drew his 27 portraits of important figures primary to entertain. In spirit their work was 28 close to the humor of the fast-developing comic strip and gag cartoon than 29 to the string of political satire. Their subjects were more often amusing 30 than offended by amiable attacks.