[Answer] 4. This Iowan was born in Winterset and was named Marion Morrison. He had a dog named Duke. Among his many film credits are "Red River" (1948),"The Searchers," "The Green Berets" (1968) and "True Grit" (1969). Who was this Iowa celebrity?

Step 1 : Introduction to the question "4. This Iowan was born in Winterset and was named Marion Morrison. He had a dog named Duke. Among his many film credits are "Red River" (1948),"The Searchers," "The Green Berets" (1968) and "True Grit" (1969). Who was this Iowa celebrity?"

...1. Lee Marvin 2. Jack Palance 3. James Coburn 4. John Wayne John Wayne's nickname came as a result of his dog, Duke. He made over 175 films.

Step 2 : Answer to the question "4. This Iowan was born in Winterset and was named Marion Morrison. He had a dog named Duke. Among his many film credits are "Red River" (1948),"The Searchers," "The Green Berets" (1968) and "True Grit" (1969). Who was this Iowa celebrity?"

John Wayne:

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