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 the Geneva Conventions. Hitler eventually ordered SS head Himmler to execute more than half of the escapees. Himmler passed the selection on to General Arthur Nebe, and fifty were executed singly or in pairs. Roger Bushell, the leader of the escape, was shot by Gestapo official Emil Schulz just outside Saarbrucken, Germany. Bob Nelson is said to have been spared by the Gestapo because they may have believed he was related to his namesake Admiral Nelson. His friend Dick Churchill was probably spared because of his surname, shared with the British Prime Minister. Seventeen were returned to "Stalag Luft III",