Rumford, Count (1753–1814) Quick reference
A Dictionary of Physics (8 ed.)
...Rumford, Count ( Benjamin Thompson ; 1753–1814 ) American -born British physicist , who acted as a British spy during the American Revolution. As a result he was forced to flee in 1775 , first to England and then to Munich. There he observed the boring of cannon barrels, which led him to his best-known proposition, that friction produces heat. While in Munich he was made a count of the Holy Roman Empire. Returning to England in 1795 , he helped to demolish the caloric theory...
