Hannes Keller: key obituary facts
Is Hannes Keller dead? Yes. Hannes Keller died on December 17, 2022, at age 88.
Cause of death: Hannes Keller's cause of death has not been publicly confirmed.
What was Hannes Keller known for?
He was known as Swiss mathematician and deep diver.
Swiss mathematician and deep diver
Died on Saturday December 17th 2022