Steve McQ's character is based on an OSS agent named Jerry Sage. Sage was captured behind the lines in North Africa and posed as a downed airman. He would have been shot as a spy if it hadn't worked. He has a very interesting biography. His story is in a book named after him "SAGE". It's a good read and gives a good account of life in the camp.
it made the list , but i dont think you could make a top 100 without it .
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My dad's best friend was a POW in the camp where they used a wooden horse to dig the tunnel ,he was caught with another tunnel under his bunk and was in the cooler when the rest escaped.