William Thomson, 1st Baron Kelvin William Thomson, 1st Baron Kelvin William Thomson, 1st Baron Kelvin, (26 June 1824 – 17 December 1907) was a Scots-Irish mathematical physicist and engineer who was born in Belfast in 1824. At the University of Glasgow he did important work in the mathematical analysis of electricity and formulation of the first and second laws of thermodynamics, and did much to unify the emerging discipline of physics in its modern form. He worked closely with mathematics professor Hugh Blackburn in his work. He also had a career as an electric telegraph engineer and inventor, which propelled him into the public eye
19th-century French art 19th-century French art 19th-century French art was made in France or by French citizens during the following political regimes: Napoleon Bonaparte's Consulate (1799-1804) and Empire (1804-1814), the Restoration under Louis XVIII and Charles X (1814-1830), the July Monarchy under Louis Philippe d'Orléans (1830-1848), the Second Republic (1848-1852), the Second Empire under Napoleon III (1852-1871), and the first decades of the Third Republic (1871-1940). Many of the developments in French arts in this period parallel changes in literature. For more on this, see French literature of the 19th century. For more on French history, see History of France. The French Revolution