The answer to the last mystery photo was guessed in an hour. I hope this one will be more of a challenge.

Our famous mystery guest is one of the young men in this photo. He wrote a number of books that were translated into many languages. The other four men, as far as I can determine, are forgotten.

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Guesses so far:

• Is the man on the far left Norman Mailer? (No).

We have a winner!

Caryl Chessman in the middle. Duane Laible