It was film night in Stalag Luft III and the dwindling band of surviving PoWs was marking the 65th anniversary of the daring breakout by watching The Great Escape. Even though this is Hollywood’s celebration of their story and ensured their enduring fame, it wasn’t the Nazis they booed — it was Steve McQueen and his motorbike. “We were not impressed when that film came out,” said Reginald Cleaver, 86, a flight engineer who had been shot down over the Netherlands and who helped to make disguises for the escape. “The bits about the way the tunnel was dug and...