* Astronomy

Kirill Y. Kondratyev (14 June 1920 - 1 May 2006) was a Russian atmospheric physicist.
Kondratyev served as a member of the International Programme Committee for the World Conference on Climate Change, held in Moscow in 2003, where he presented a paper entitled "Uncertainties of Global Climate Change Observations and Simulation Modeling." His skepticism about global warming is said to have influenced the views of Vladimir Putin, the President of Russia, on climate change.
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