Sir James Hall, 4th Baronet

Sir James Hall of Dunglass, 4th Baronet FRS FRSE (17 January 1761 – 23 June 1832) was a Scottish geologist and geophysicist, born at Dunglass, East Lothian, to Sir John Hall, 3rd Baronet (died 1776), by his spouse, Magdalen (died 1763) daughter of Sir Robert Pringle, 3rd Baronet, of Stichill, Roxburghshire. Sir James was also Member of Parliament for St. Michael's borough (Mitchell, Cornwall) 1807–1812.

Hall studied at Christ's College, Cambridge, and the University of Edinburgh. As an Edinburgh student during the early 1780s, Hall studied chemistry under Joseph Black and natural history under John Walker (naturalist). Though mineralogy was frequent taught in medical courses, Walker was one of the first professors to offer systematic lectures on the new field of geology. While attending Walker's popular course, Hall was taught how to use the chemical composition of minerals to determine relative age of strata. Walker also emphasised the geological relevance of chemists like William Cullen, Joseph Black, Johann Pott, Torbern Bergman, Johann Wallerius and Axel Cronstedt. After his studies, Hall travelled to continental Europe where he actively sought out book dealers who could sell him works on chemistry, mineralogy and geology. He eventually made it to France and met Lavoisier. He returned to Scotland to promote the new French chemical nomenclature.

Sir James Hall was President of the Royal Society of Edinburgh, and author of various works on architecture and the sciences.

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