George Hadley

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George Hadley

British physicist and meteorologist

Written and fact-checked by The Editors of Encyclopaedia Britannica

Article History

Quick Facts

Born:: Feb. 12, 1685, London, Eng.

Died:: June 28, 1768, Flitton, Bedfordshire (aged 83)

Subjects Of Study:: Hadley cell

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George Hadley (born Feb. 12, 1685, London, Eng.—died June 28, 1768, Flitton, Bedfordshire) was an English physicist and meteorologist who first formulated an accurate theory describing the trade winds and the associated meridional (north-south) circulation pattern now known as the Hadley cell.

Though educated in law, Hadley preferred physics to legal work. For about seven years he was in charge of the meteorological observations prepared for the Royal Society of London. Having made the first adequate study of the trade-wind currents, he explained their relation to the Earth’s daily rotation and discussed the relevant atmospheric motions and their causes. He presented his ideas in a paper, “Concerning the Cause of the General Trade Winds,” before the Society in 1735. His formulation, however, remained unacknowledged until recognized by the famed British scientist John Dalton in 1793.

This article was most recently revised and updated by Encyclopaedia Britannica.