History of universities in Scotland perhaps the first of their kind in the world. His students founded practical chemistry at Aberdeen soon after. William Thomson, 1st Baron Kelvin was appointed to the chair of natural philosophy at Glasgow aged only 22. His work included the mathematical analysis of electricity and formulation of the first and second laws of thermodynamics. By 1870 Kelvin and Rankine had made Glasgow the leading centre of science and engineering education and investigation in Britain. At Edinburgh, major figures included David Brewster (1781–1868), who made contributions to the science of optics and to the development of photography. Fleeming Jenkin (1833–85) was
19th century in ichnology "giant" trackmaker was recognized by paleontologists Joseph Le Conte and Othniel Charles Marsh as a giant ground sloth, possibly of the genus "Mylodon". 1802 1820s Late 1820s 1828 1831 1834 1835 1836 1842 1843 1845 1846 1847 1848 1850 1851 1852 1854 1858 1860 1862 1864 1865 1877 1879 1880 1884 1886 1889 [[:Category:1890s in paleontology|1890s]] [[1894 in paleontology|1894]] [[1895 in paleontology|1895]] [[Category:19th century in paleontology]] [[Category:Ichnology]] [[Category:Paleontology timelines|Ichnology]] 19th century in ichnology The 19th century in ichnology refers to advances made between the years 1800 and 1899 in the scientific study of trace fossils, the preserved record of the