Which famous 20th century American author appeared in advertisements for Ballantine Ale in the 1950s, despite earlier criticizing other writers who did commercial work?

Throughout literary history, authors have occasionally incorporated real products and brands into their works, sometimes for authenticity, sometimes for income. This practice predates modern product placement but serves a similar function. Test your knowledge of how commercial products have appeared in notable literary works and how authors have engaged with product endorsements throughout history.

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Ernest Hemingway
F. Scott Fitzgerald
John Steinbeck
William Faulkner