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Events on Sunday 21 August 1814 1
1753 – 1814Benjamin Thompson, Count Rumford (1753-1814)Died 21 August 1814, aged 61Rumford was an American-born physicist and inventor whose experiments on friction helped undermine the caloric theory of heat. He also invented the Rumford fireplace and founded the Royal Institution in London. He spent his later career in Bavaria and France, where he died.