Theodor Seuss Geisel (March 2, 1904 September 24, 1991) was a German-American author, political cartoonist, poet, animator, book publisher, and artist, best known for authoring more than 60 children's books under the pen name Dr. Seuss. His work includes several of the most popular children's books of all time, selling over 600 million copies and being translated into more than 20 languages by the time of his death.
