The Book Review recently reached out to writers and other cultural figures, asking them to share a favorite scene or moment from Pynchon’s works. A host of them responded, including Homer and Lisa Simpson. After all, Pynchon, a dedicated fan of “The Simpsons,” lent his voice to several episodes over the years, his animated avatar gently mocking the author’s desire for anonymity by wearing a paper bag, imprinted with a question mark, over his head.