Person Macculloch; John (1773 - 1835); geologist Macculloch John geologist 1773 - 1835 British Male His grandparents' home, Guernsey, Channel Islands 06 October 1773 17731006 Poltair, near Penzance, Cornwall , England 20 August 1835 18350820 Marriage: St Martin-in-the-Fields, London, England Burial: Gulval, near Penzance, Cornwall, England

Geologist Geology Chemistry Education: Schools in Cornwall (1778-1790); M'Gilvray's Grammar School, Lostwithiel; Edinburgh University (1790-1794) MD Career: Surgeon's mate in the Royal Artillery (1795); raising to senior assistant surgeon (1803); ordnance chemist in the ordnance chemical department (1806); moved to Blackheath, London, practising privately until his ordnance duties resulted in long absences for geological surveys (1808-1811); physician to Prince Leopold, later king of Belgium (1820); lectured in chemistry at Woolwich (1803-1821) and at Addiscombe (1814-35); conducted geological surveys in Wessex, Wales, and Scotland, seeking silica-free limestone for millwheels (1809-1813); acted as geologist to the ordnance trigonometrical survey (1814-1821); suffered an enlargement of the spleen (1821); retired from the chemical department upon its dissolution (1824); surveyed central and southern Scotland with a view of completing his map (1821-1832); suffered a stroke (1831); pursued writing as an auxiliary source of income; died from injuries as a consequence of a carriage accident, following the amputation of a leg (1835). Memberships: FRCP FGS (President 1816–18) Parents: James MacCulloch (1746–1832), wine merchant of Roscoff, and Elizabeth de Lisle, daughter of Thomas de Lisle, a Guernsey jurat. Spouse: Louisa Margaretta White of Croydon, 6 July 1835. Credited to have greatly advanced general knowledge of the varied rock formations of Scotland, especially of the igneous rocks. His chief medical contribtion was a compilation and analysis of data on fevers. He was challenged and faced virulent opposition for views he expressed in his book "The Highlands and Western Islands of Scotland" (1824), where he stated that "lazy highlanders should be cleared from the land". Fellow 18/05/1820 47 Charles Konig; Stephen Groombridge; John Rowley; Thomas Colby; Alexander McLeay; Jamess Edward Smith; Honoratus Leigh Thomas William Hyde Wollaston; Williamm Blake; Henry Warburton; William Congreve; Charles Wilkins; Gilbert Blane; Charles Parr Burney; James McGrigor; Robert Nixon Sources: Bulloch's Roll; DNB; DSB References: Derek Flinn, 'John MacCulloch, MD, FRS, and His Geological Map of Scotland: His Years in the Ordnance, 1795-1826' in NR 1981-82 vol 36 pp 83-101 David A Cumming, 'John MacCulloch, FRS, at Addiscombe: The Lectureships in Chemistry and Geology' in NR 1979-80 vol 34 pp 155-183, plate W H Brock, 'The Selection of the Authors of the Bridgewater Treatises' in NR 1966 vol 21 pp 162-179 E Murphy, 'A mad house transformed: the lives and work of Charles James Beverly FRS (1788-1868) and John Warburton MD FRS (1795-1847)' in NR 2004 vol 58 pp 267 - 281 Macculloch P0084.jpg International Standard Archival Authority Record for Corporate Bodies, Persons and Families - ISAAR(CPF) - Ottawa 1996 ISBN 0-9696035-3-3 National Council on Archives, Rules for the Construction of Personal, Place and Corporate Names, 1997 https://royalsocietypublishing.org/doi/10.1098/rsnr.1980.0007 https://pictures.royalsociety.org/results?mi_search_type=adv&mi_adv_search=yes&adv_person_id=AUTH5399 6 Oct 1773 - 20 Aug 1835 The past Fellows entries are under continuous revision. If you have queries or additional information to contribute, please contact Library@royalsociety.org. Content in external sources is not controlled by the Royal Society and historical sources may include content that is now unacceptable. Reviewed on 23/07/2024 as part of the Name Authority Project update. NA7318 21/11/2001 Andyg Pmab 17/03/2026 RS_NET\VirginiaM Yes 06a81d7b-a345-4bbf-ac0b-17a35c8fd4ce