Klaus Hasselmann

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2026-06-22

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Who is this?

Klaus Ferdinand Hasselmann (German pronunciation: [klaʊs ˈhasl̩man] ; born 25 October 1931) is a German oceanographer and climate modeller. He is Professor Emeritus at the University of Hamburg and former Director of the Max Planck Institute for Meteorology. He was awarded the 2021 Nobel Prize in Physics jointly with Syukuro Manabe and Giorgio Parisi. Hasselmann grew up in Welwyn Garden City, England and returned to Hamburg in 1949 to attend university. Throughout his career he has mainly been a