James Pollard Espy Photo

James Pollard Espy

Born: May 9, 1785

Death: Jan 24, 1860

Birthplace: Pennsylvania

Nationality: United States

James Pollard Espy

Date of Birth : May 9, 1785
Date of Death : Jan 24, 1860
Birth Place : Pennsylvania

James Pollard Espy was a U.S. meteorologist. Espy developed a convection theory of storms, explaining it in 1836 before the American Philosophical Society and in 1840 before the French Academie des Sciences and the British Royal Society. His theory was published by in 1840 as The Philosophy of Storms. He became meteorologist to the War and Navy departments and developed the use of the telegraph in assembling weather observation data by which he studied the progress of storms and laid the basis for scientific weather forecasting.

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