Dictionary.net

An Irish physicist; born in Dublin, April 3, 1793; died at Naples, April 29, 1859. He wrote several notable mathematical treatises; and edited, himself being one of the chief contributors, an "Encyclopedia" (132 vols., 1829-46). Among his other writings are: "Manual of Electricity", etc. (2 vols., 1841); "Treatise on Heat" (1844); "The Steam Engine" (1852); "Natural Philosophy and Astronomy" (3 vols., 1851-52)