Rebecca Mead: Dr. Seuss Meets the Supreme Court: The New Yorker The books of Dr. Seuss, the pen name of Theodor Geisel, depend on what Donald Pease, a professor of English literature at Dartmouth, refers to in his biography of Geisel as "plausible nonsense." "Children will grant you any premise, but after that - you've got to stay on the same key," Geisel told one interviewer. What I have tried to do is use implausible facts to create a plausible world. . . .