Stalag Luft III it as a longer third-person narrative under the title "The Wooden Horse", which was filmed as "The Wooden Horse" in 1950. He included many details omitted in his first book, but changed his name to "Peter Howard", Michael Codner to "John Clinton" and Oliver Philpot to "Philip Rowe". Williams also wrote a prequel, "The Tunnel", an extended study of the mentalities of life as a prisoner of war. Although not an escape novel, it shows the profound urge to escape, and explores the ways that camp life affected men's emotions. Paul Brickhill was an Australian-born Spitfire pilot, shot down in
Stalag Luft III 1943 over Tunisia to become a prisoner of war. While imprisoned at Stalag Luft III, he was involved in the escape attempt. He did not take part in tunnelling but was in charge of "stooges", the relay teams who would alert prisoners that German search teams had entered the camp. He was originally scheduled to be an early escapee but when it was discovered he suffered from claustrophobia, he was dropped down to the bottom of the list. He later said he figured this probably saved his life. After the war, Brickhill co-wrote "Escape to Danger" (with Conrad Norton, and