A storyboard is a graphic organizer that consists of illustrations or s displayed in sequence for the purpose of pre-visualizing a motion picture, animation, motion graphic or interactive media sequence. The storyboarding process, in the form it is known today, was developed at Walt Disney Productions during the early 1930s, after several years of similar processes being in use at Walt Disney and other animation studios. Many large budget silent films were storyboarded, but most of this material has been lost during the reduction of the studio archives during the 1970s and 1980s. Special effects pioneer Georges Méliès is known to have been among the first filmmakers to use storyboards and pre-production art to visualize planned effects. However, storyboarding in the form widely known today was developed at the Walt Disney studio during the early 1930s. In the biography of her father, The Story of Walt Disney (Henry Holt, 1956), Diane Disney Miller explains that the first complete storyboards were created for the 1933 Disney short Three Little Pigs. According to John Canemaker, in Paper Dreams: The Art and Artists of Disney Storyboards (1999, Hyperion Press), the first storyboards at Disney evolved from comic book-like "story sketches" created in the 1920s to illustrate concepts for animated cartoon short subjects such as Plane Crazy and Steamboat Willie, and within a few years the idea spread to other studios. According to Christopher Finch in The Art of Walt Disney (Finch, 1995), Disney credited animator Webb Smith with creating the idea of drawing scenes on separate sheets of paper and pinning them up on a bulletin board to tell a story in sequence, thus creating the first storyboard. Furthermore, it was Disney who first recognized the necessity for studios to maintain a separate "story department" with specialized storyboard artists (that is, a new occupation distinct from animators), as he had realized that audiences would not watch a film unless its story gave them a reason to care about the characters.