Thermodynamics the work of French physicist Nicolas Léonard Sadi Carnot (1824) who believed that engine efficiency was the key that could help France win the Napoleonic Wars. Scots-Irish physicist Lord Kelvin was the first to formulate a concise definition of thermodynamics in 1854 which stated, "Thermo-dynamics is the subject of the relation of heat to forces acting between contiguous parts of bodies, and the relation of heat to electrical agency." The initial application of thermodynamics to mechanical heat engines was extended early on to the study of chemical compounds and chemical reactions. Chemical thermodynamics studies the nature of the role of
19th century in literature Gustav Freytag, Gottfried Keller, Wilhelm Raabe, Adalbert Stifter, and Theodor Storm. Later "realist" writers included Benito Pérez Galdós, Guy de Maupassant, Anton Chekhov, José Maria de Eça de Queiroz, Machado de Assis, Bolesław Prus and, in a sense, Émile Zola, whose naturalism is often regarded as an offshoot of realism. 1800s - 1810s - 1820s - 1830s - 1840s - 1850s - 1860s - 1870s - 1880s - 1890s - 1900s - 19th century in literature Literature of the 19th century refers to world literature produced during the 19th century. The range of years is, for the purpose of this