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Benjamin Thompson

Sir Benjamin Thompson, Count Rumford (1753 - 1814), Anglo-American physicist.

Though born in America, Rumford moved to London in 1776 and began investigating gunpowder. He was knighted in 1784, and became an aide-de-camp to the Elector of Bavaria[?]. He spent eleven years in Bavaria, reorganizing the Bavarian army and establishing workhouses for the poor. In 1791 he was named a count of the Holy Roman Empire.

His most important scientific work took place in Munich, and centered on the nature of heat, which he demonstrated in "An Experimental Enqury Concerning the Source of the Heat which is Excited by Friction" (1798) to be not a liquid form of matter but a form of mechanical energy.

Rumford was an active inventor, developing improvements for chimneys and fireplaces and inventing the double boiler, a kitchen range, and a drip coffeepot. He was also responsible for bringing James Watt's steam engine into widespread use.

With Sir Joseph Banks, he established the Royal Institution of Great Britain[?] in 1799; the two chose Sir Humphry Davy as the first lecturer. He endowed the Rumford medals of the Royal Society and the American Academy of Arts and Sciences[?], and endowed a professorship at Harvard University.

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