Benjamin Thompson (1753–1814), also known as Count Rumford, was an American-born physicist and inventor who made significant contributions to the fields of thermodynamics and the understanding of heat. He is best known for his work on the nature of heat and its relationship to mechanical work.
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Benjamin Thompson, Count Rumford; early nineteenth-century copy after a 1792 portrait by Moritz Kellerhoven; National Portrait Gallery, London; public-domain image via Wikimedia Commons
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