Gei·sel 
(gīzəl), Theodor Seuss Pen name Dr. Seuss (ss) 1904-1991.
(gīzəl), Theodor Seuss Pen name Dr. Seuss (ss) 1904-1991. American writer and illustrator of children's books. His works, known for their humorous verse and playful illustrations, include The Cat in the Hat (1957) and Green Eggs and Ham (1960).
Theodor Geisel