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
Benjamin Kahn Atlantium Technologies, a water purification technology firm established in 2005 that developed a Hydro-Optic Ultraviolet technology used as a non-chemical means to control biofouling. In 2017, Atlantium was chosen to install this system to prevent the clogging of piping at the Hoover Dam by Quagga mussels. Kahn also serves as President of Coral World International Ltd., an operator of marine parks that specializes in ecologically-friendly tropical life systems in symbiotic environments. Benjamin Kahn Benjamin Kahn (born 1955) is an Israeli marine biologist and environmental activist. Benjamin (Benjie) Kahn is fighting for the survival of the Red Sea reef, which began