Which famous American author served as a brand ambassador for Corona typewriters in the 1960s, featuring in advertisements where he praised the machine's durability and performance?

In the world of arts and literature, famous authors have sometimes stepped beyond their pages to become the face of products and brands. These literary brand ambassadors have created interesting intersections between commerce and culture, sometimes raising eyebrows, other times breaking new ground. Test your knowledge about these notable partnerships that have shaped how books and brands interact in the marketplace.

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Ernest Hemingway
John Steinbeck
F. Scott Fitzgerald
William Faulkner