Person Lloyd; Humphrey (1800 - 1881) Lloyd Humphrey 1800 - 1881 British Male Dublin, Ireland 16 April 1800 The provost's house, Dublin, Ireland 17 January 1881

Clergyman Natural philosophy Physical optics Terrestrial magnetism Education: Trinity College, Dublin. BA (1819); MA (1827); DD (1840); University of Oxford DCL (1855) Career: Fellow of Trinity College, Dublin; Erasmus Smith Professor of Natural and Experimental Philosophy, Dublin (1831-1843); discovered a new kind of refraction when light passes through biaxial crystals (1832); designed 'Lloyd's Mirror Experiment' (1834); with Edward Sabine, FRS he designed a new instrument for measuring dip and intensity of magnetic fields at the same time; contributed to establishment of School of Engineering at Trinity College, Dublin (1841); Senior Fellow, Trinity College, Dublin (1843); President, British Association (1857); Cunningham Medal of Royal Irish Academy (1862); Vice-Provost, Trinity (1862); Provost, Trinity (1867) Memberships: MRIA President 1846-1851; FRSE; FCPS (Honorary); Honorary Member of the Philosophical Society of Manchester Honours: German order 'Pour le Merite' 1874 Eldest son of Rev Bartholomew Lloyd, Provost of Trinity College, and Eleanor McLaughlin; married Dorothea, daughter of Rev James Bulwer, Rector of Hunworth-cum-Stody, Norfolk Fellow 21/01/1836 Sources: Bulloch's Roll; DNB; Irish Innovators Obituaries: Proc Roy Soc 1880-1881 vol 31 pp xxi-xxvi signed J H J References: James Gabriel O'Hara, 'Gauss and the Royal Society: The Reception of His Ideas on Magnetism in Britain (1832-1842)' in NR 1983-84 vol 38 pp 17-78 R W Home, 'The Royal Society and the Empire: the colonial and Commonwealth Fellowship. Part 2. After 1847' in NR 2003 vol 57 pp 47-84 ©The Royal Society 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://pictures.royalsociety.org 16 Apr 1800 - 17 Jan 1881 NA8252 21/11/2001 Andyg Pmab 28/03/2023 RS_NET\JonathanB Yes http://viaf.org/viaf/20036328 877f3cd4-0f79-4619-bc33-be90aa6fda08