Christophorus Henricus Diedericus Buys Ballot (Dutch pronunciation: [ˈbœyz bɑˈlɔt]; 10 October 1817 – 3 February 1890) was a Dutch chemist and meteorologist who is the namesake of Buys Ballot's law. He was the first president of the International Meteorological Organization, the organization that would become the World Meteorological Organization.
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