All of the following 1920s writers displayed disillusionment, malaise and turmoil in their works EXCEPT:

John Updike was born in 1932 and became a prominent writer later in the 20th century, so he was not a 1920s writer. Fitzgerald, Hemingway, and Sinclair Lewis were active during that decade and wrote about its unrest and disillusionment. The exception is Updike.

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