American author and illustrator Dr Seuss
American author and illustrator Dr Seuss (Theodor Seuss Geisel, 1904 - 1991), holds the head of one of his characters in his home work room, La Jolla, California, April 25, 1957. (Photo by Gene Lester/Getty Images)
American author and illustrator Dr Seuss (Theodor Seuss Geisel, 1904 - 1991) sits with pen and paper as he works on his book 'How the Grinch Stole Christmas' by his pool in La Jolla, California, April 25, 1957. (Photo by Gene Lester/Getty Images)
American author and illustrator Dr Seuss (Theodor Seuss Geisel, 1904 - 1991) sits at his drafting table in his home office with a copy of his book, 'The Cat in the Hat', La Jolla, California, April 25, 1957. (Photo by Gene Lester/Getty Images)
Children's book author/illustrator Theodor Seuss Geisel poses with models of some of the characters he has created. (Photo by John Bryson/The LIFE Images Collection/Getty Images)
Theodor Geisel attends Dr. Suess In-Store Appearance on March 1, 1986 at Caldor in Yonkers, New York. (Photo by Ron Galella, Ltd./WireImage)