Question: Which American author has sold over 600 million copies one of which had a television special of it in 1971?
Sentence (from "Dr. Seuss"): Theodor Seuss Geisel ( ; March 2, 1904 – September 24, 1991) was an American author, political cartoonist, poet, animator, book publisher, and artist, best known for authoring children's books under the pen name Dr. Seuss ( ).
Relevant evidence: Yes