Oliver Kahn maintained his number one spot for the 2004 UEFA European Football Championship, but Germany were once again eliminated in the group stage. Oliver Kahn gave up his captaincy to Michael Ballack after the tournament. Germany's new manager Jürgen Klinsmann, who replaced Rudi Völler, adopted the strategy of rotating the number one spot between Kahn and his longtime competitor, Jens Lehmann of Arsenal, to stimulate competition between the two. On 7 April 2006, after two years of dispute for the position Klinsmann announced Lehmann was his first-choice goalkeeper for the 2006 World Cup. Kahn decided to stay on as a backup
David Kahn (writer) the "Cryptologia" journal. In 1969, Kahn married Susanne Fiedler; they are now divorced. They have two sons, Oliver and Michael. He attended Bucknell University. After graduation, he worked as a reporter at "Newsday" for several years. He also served as an editor at the "International Herald Tribune" in Paris for two years in the 1960s. It was during this period that he wrote an article for the "New York Times Magazine" about two defectors from the National Security Agency. This article was the origin of his monumental book, "The Codebreakers". "The Codebreakers" comprehensively chronicles the history of cryptography from ancient