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Hannes Keller
Hannes Keller (born 20 September 1934 in Winterthur, Switzerland) is a Swiss physicist, mathematician, deep diving pioneer, and entrepreneur. In 1962, he reached a depth of in open ocean.〔Eaton, Bernard (2002) (The Atlantis affair ), ''Diver'' magazine, December 2002〕〔Tillman, Thomas (1999) (The Keller Dive )〕
In the 1970s through the 1980s, Keller made himself a name as an entrepreneur in the IT industry. Keller is also an amateur classical pianist who produced two CDs and occasionally performed for audiences of up to 2000 people.〔
==Deep diving==
Keller studied philosophy, mathematics, and theoretical physics at the University of Zurich. He became interested in deep diving and developed tables for mixed-gas decompression, supported by Albert A. Bühlmann who suggested suitable gases.〔〔 Keller successfully tested his idea in Lake Zurich, where he reached a depth of , and Lake Maggiore, where he reached a depth of . On Dec. 3, 1962, he set a new world record when he reached a depth of off the coast of Santa Catalina Island, California, together with Peter Small.〔 This major achievement was overshadowed by the tragic end of the mission: Keller was lucky to survive while Peter Small and Chris Whittaker, a young UCLA student and supporting diver, lost their lives.
In the following years, navies and hospitals bought decompression chambers constructed by Keller.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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