Kees de Jager | |
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![]() Kees de Jager in 1967 | |
Born | Cornelis de Jager 29 April 1921 |
Died | 27 May 2021 Den Burg, Texel, Netherlands | (aged 100)
Nationality | Dutch |
Alma mater | Utrecht University |
Spouse | Doetie Rienks |
Scientific career | |
Fields | |
Institutions | Utrecht University |
Doctoral advisor | Marcel Minnaert |
Cornelis "Kees" de Jager (pronounced [ˈkeːz də ˈjaːɣər]; 29 April 1921 – 27 May 2021) was a Dutch astronomer who specialized in predicting solar variation to assess the Sun's impact on future climate. He was the General Secretary of the IAU from 1967 to 1973 and former director of the observatory at Utrecht. He was a fellow with the Committee for Skeptical Inquiry and played an important role in the European skeptical movement as the first chairman of both Stichting Skepsis and the European Council of Skeptical Organisations.