James Pollard Espy
Encyclopedia
For the fictional character, see The Magicians of Xanth
The Magicians of Xanth
The Magicians of Xanth are mostly humans with the most powerful magical talents. With such powerful talents, they are the only people who qualify to be the King of Human Xanth...

.
This article is about the meteorologist known as 'The Storm King'.

James Pollard Espy (or the Storm King) (May 9 1785 - Jan 24 1860) was a U.S. meteorologist
Meteorology
Meteorology is the interdisciplinary scientific study of the atmosphere. Studies in the field stretch back millennia, though significant progress in meteorology did not occur until the 18th century. The 19th century saw breakthroughs occur after observing networks developed across several countries...

. Espy developed a convection theory of storms, explaining it in 1836 before the American Philosophical Society
American Philosophical Society
The American Philosophical Society, founded in 1743, and located in Philadelphia, Pa., is an eminent scholarly organization of international reputation, that promotes useful knowledge in the sciences and humanities through excellence in scholarly research, professional meetings, publications,...

 and in 1840 before the French Académie des Sciences and the British Royal Society
Royal Society
The Royal Society of London for Improving Natural Knowledge, known simply as the Royal Society, is a learned society for science, and is possibly the oldest such society in existence. Founded in November 1660, it was granted a Royal Charter by King Charles II as the "Royal Society of London"...

. His theory was published by in 1840 as The Philosophy of Storms. He became meteorologist to the War (1842) and Navy (1848) 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.

Biography

James Espy had an ardent desire for knowledge and commenced teaching school as a means to obtaining a classical education at Transylvania University
Transylvania University
Transylvania University is a private, undergraduate liberal arts college in Lexington, Kentucky, United States, affiliated with the Christian Church . The school was founded in 1780. It offers 38 majors, and pre-professional degrees in engineering and accounting...

, Lexington, Kentucky
Lexington, Kentucky
Lexington is the second-largest city in Kentucky and the 63rd largest in the US. Known as the "Thoroughbred City" and the "Horse Capital of the World", it is located in the heart of Kentucky's Bluegrass region...

. After leaving the University in 1808 he taught an academy at Cumberland, Maryland
Cumberland, Maryland
Cumberland is a city in the far western, Appalachian portion of Maryland, United States. It is the county seat of Allegany County, and the primary city of the Cumberland, MD-WV Metropolitan Statistical Area. At the 2010 census, the city had a population of 20,859, and the metropolitan area had a...

. He studied law and practiced that profession four years at Xenia, Ohio
Xenia, Ohio
Xenia is a city in and the county seat of Greene County, Ohio, United States. The municipality is located in southwestern Ohio 21 miles from Dayton and is part of the Dayton Metropolitan Statistical Area...

. In 1812 he married Miss Margaret Pollard and took her last name as his middle name. In 1817 he became a teacher of classics in Philadelphia where he lived for 20 years. He soon, however, had his attention drawn to natural science and about 1828 he began his studies and investigations into the cause of storms which made him, at that time, the foremost American meteorologist. In 1833 he wrote a summary of his theory of the upward movement of the air in storms (convection) and of their self-sustaining power from the evolution of latent heat.

In 1834 Espy became meteorologist for both the Franklin Institute
Franklin Institute
The Franklin Institute is a museum in Philadelphia, Pennsylvania, and one of the oldest centers of science education and development in the United States, dating to 1824. The Institute also houses the Benjamin Franklin National Memorial.-History:On February 5, 1824, Samuel Vaughn Merrick and...

 and the American Philosophical Society
American Philosophical Society
The American Philosophical Society, founded in 1743, and located in Philadelphia, Pa., is an eminent scholarly organization of international reputation, that promotes useful knowledge in the sciences and humanities through excellence in scholarly research, professional meetings, publications,...

 of Philadelphia. As chair of a joint committee, he established a network of weather observers to study storms. He convinced the Pennsylvania legislature to appropriate $4,000 to equip an observer in each county with barometer, thermometers, and rain gage. One result is the first appearance of meteorology in the records of Congress.

In 1836 he abandoned the profession of teaching and began lecturing before scientific bodies and popular audiences. These lectures caused him to be popularly known as the Storm King. In 1840 he visited Europe and presented his theory of storms before the British Science Association and the French Academy of Science. It was during the discussion that followed the presentation of his theory before the French Academy that the French physicist and astronomer, Francois Arago said: “France has its Cuvier, England its Newton, America its Espy.” In 1841 his The Philosophy of Storms was published in Boston. In 1843 he was appointed the first meteorologist of the U.S. Government and was assigned to duty, first under the Surgeon General of the Army, next under the Secretary of the Navy and finally in 1848 under the Secretary of the Smithsonian Institution
Smithsonian Institution
The Smithsonian Institution is an educational and research institute and associated museum complex, administered and funded by the government of the United States and by funds from its endowment, contributions, and profits from its retail operations, concessions, licensing activities, and magazines...

.

His work in Washington, D. C. was concluded in 1859 and he then spent some time in visiting his relatives and friends in Ohio and Pennsylvania. While on a visit to Cincinnati, Ohio
Cincinnati, Ohio
Cincinnati is a city in the U.S. state of Ohio. Cincinnati is the county seat of Hamilton County. Settled in 1788, the city is located to north of the Ohio River at the Ohio-Kentucky border, near Indiana. The population within city limits is 296,943 according to the 2010 census, making it Ohio's...

, Professor Espy was stricken with paralysis January 17, 1860 and died at the residence of his nephew, John Westcott, January 24. He was buried in the cemetery at Harrisburg, Pennsylvania
Harrisburg, Pennsylvania
Harrisburg is the capital of Pennsylvania. As of the 2010 census, the city had a population of 49,528, making it the ninth largest city in Pennsylvania...

, by the side of his wife who had passed on ten years earlier.

External links

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