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 workshop. "Harry", which began in hut 104, went under the "Vorlager" (which contained the German administration area), sick hut and the isolation cells to emerge at the woods on the northern edge of the camp. The entrance to "Harry" was hidden under a stove. Ultimately used for the escape, it was discovered as the escape was in progress with only seventy-six of the planned two hundred twenty prisoners free. The Germans filled it with sewage and sand and sealed with cement. After the escape, the prisoners started digging another tunnel called "George", but this was abandoned when the camp was