Why did Theodor Geisel choose the pen name Dr. Seuss?
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Dr. Seuss
Dr. Seuss and some of his characters, from a commemorative U.S. postage stamp, 2004.
Theodor Geisel adopted the pen name Dr. Seuss as a tongue-in-cheek reference to his uncompleted doctorate degree. He originally intended to publish novels under his own surname, Geisel, while using the pseudonym for his children's books.1