Scottish education in the nineteenth century 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 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 the first professor of engineering at the university and
Expansion of Jerusalem in the 19th century Expansion of Jerusalem in the 19th century The expansion of Jerusalem in the 19th century, also referred to as the departure from the walls, was the process of building new residences outside of the Old City walls, and shifting the city center to the new neighborhoods. The process started in the mid-19th century and by the early 20th century had entirely transformed the city. Prior to the 19th century, the main built up areas outside the walls were the Mosque of David (today a synagogue) and the village of Silwan. In the mid 19th century, with an area of only