- Born
- Died
- Hannes Keller was born on September 20, 1934 in Winterthur, Switzerland. He was married to Tzuara Keller-Takahashi and Esther Frei. He died on December 1, 2022 in Wallisellen, Switzerland.
- SpousesTzuara Keller-Takahashi (divorced)Esther Frei(? - 2017) (her death, 4 children)
- Deep-sea explorer who survived a record descent to more than 1,000 feet in a diving bell. He used a new mixture of gases to lessen the risks of the bends. His diving companion, Peter Small, did not survive the ascent.
- He studied philosophy, mathematics and theoretical physics at the University of Zurich.
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