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When the magnetic observatory of
Trinity College Dublin, was established under the auspices of his father, it was placed in Lloyd's charge, and the instruments for it were devised by him and constructed under his superintendence. He was a member of the committee of the British Association lobbying
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452:. He was president of the British Association in 1857, when it met in Dublin, and delivered an inaugural address, which was published, in which he gave a sketch of the recent progress made in astronomy, terrestrial magnetism, and other branches of science.
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on the interference of light proceeding directly from a luminous source, with light coming from the same source but reflected at a very high angle of incidence from a plane surface, he contributed to the theory of reflected light. A letter from
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in 1833, he spoke on his establishment by experiment of the existence of conical refraction in biaxial crystals, in conformity with the theory of
William Rowan Hamilton. He also succeeded in establishing experimentally the law by which the
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led him to turn his attention to the phenomena of light incident on thin plates. In 1841, he submitted a communication on the subject to the
British Association, and in 1859, he described his investigation of the phenomena to the
448:. He resigned his chair of natural philosophy in 1843, on his accession to a senior fellowship in Trinity College. In 1862, he became vice-provost, and in 1867, was appointed provost, in succession to Provost
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in 1818, and graduated B.A. in 1819, taking first place and the gold medal for science, and proceeding M.A. in 1827, and D.D. in 1840. He became a junior fellow in 1824, and a senior fellow in 1843.
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by establishing observing stations. He prepared the instructions for the observatories, and the officers appointed to take charge of them were trained by him in Dublin.
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Is it a Sin? An
Inquiry into the Lawfulness of Complying with the Rule of the National Board relative to Religious Instruction
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Address delivered at the opening meeting of the
British Association for the Advancement of Science, held at Dublin 26 Aug 1857
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in 1839. In 1855 the university of Oxford conferred on him the degree of D.C.L., and in 1874 the emperor of
Germany the order
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Lloyd in 1831 succeeded his father as
Erasmus Smith's Professor of Natural and Experimental Philosophy. At the meeting of the
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Lloyd married, in July 1840, Dorothea, only daughter of the Very Rev. James Bulwer, rector of
Hunworth-cum-Stody,
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Account of the
Magnetic Observatory at Dublin, and of the Instruments and Methods of Observation employed there
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An
Account of the Method of Determining the Total Intensity of the Earth's Magnetic Force in Absolute Measure
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509:(see Report for 1834). Papers which he wrote on terrestrial magnetism and other subjects are in the
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Lloyd was a leading member of the general synod of the Irish church which came into existence on
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Observations made at the Magnetical and Meteorological Observatory at Trinity College, Dublin
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326:(16 April 1800 – 17 January 1881) was an Irish physicist and academic who served as the 30th
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Erasmus Smith's Professor of Natural and Experimental Philosophy at Trinity College Dublin
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In 1834, Lloyd furnished the British Association, at its request, with a report on
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of the rays composing the luminous cone is governed. Shortly after, by means of an
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The University of Dublin in its Relations to the several Religious Communities
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of the Royal Irish Academy. Besides tracts, his other published works were:
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in 1815, first out of 63 competitors in the entrance examination. He was
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779: This article incorporates text from a publication now in the
540:, two parts, Dublin, 1836 and 1841; republished, London, 1857, as
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After early education at Mr. White's school in Dublin, he entered
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799:. Vol. 33. London: Smith, Elder & Co. pp. 425–426.
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Erasmus Smith's Professor of Natural and Experimental Philosophy
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from 1831 to 1843. Lloyd is known for experimentally verifying
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Two Introductory Lectures on Physical and Mechanical Science
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The Mind and the Hand – Instruments of Science 1685 – 1932
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Bust of Humphrey Lloyd on display in the Long Room in TCD.
497:, was placed in the library of Trinity College in 1892.
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The Climate of Ireland and the Currents of the Atlantic
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about the way light is bent when travelling through a
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Miscellaneous Papers connected with Physical Science
370:, and his wife, Eleanor McLaughlin, he was born in
1167:Honorary Fellows of the Royal Society of Edinburgh
507:The Progress and Present State of Physical Optics
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374:on 16 April 1800. His father had also served as
542:Elementary Treatise on the Wave-theory of Light
1202:Recipients of the Pour le Mérite (civil class)
602:Treatise on Magnetism, General and Terrestrial
440:From 1846 to 1851, Lloyd was president of the
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475:Lloyd was a fellow of the Royal Societies of
72:24 February 1867 – 17 January 1881
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16:Irish physicist and academic administrator
726:"Humphrey Lloyd-1867 – 1881 (c. 1800–81)"
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574:, published anonymously, Dublin, 1860.
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538:Lectures on the Wave-theory of Light
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102:President of the Royal Irish Academy
428:government to improve knowledge of
338:, a theoretical prediction made by
114:11 June 1846 – 21 May 1851
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1207:Scholars of Trinity College Dublin
1197:Provosts of Trinity College Dublin
890:Provosts of Trinity College Dublin
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1162:Fellows of Trinity College Dublin
841:Provost of Trinity College Dublin
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378:and Provost of Trinity College.
328:Provost of Trinity College Dublin
60:Provost of Trinity College Dublin
1152:Alumni of Trinity College Dublin
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796:Dictionary of National Biography
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444:, who in 1862 awarded him their
366:The eldest son of the Very Rev.
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526:A Treatise on Light and Vision
485:American Philosophical Society
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1192:Scientists from Dublin (city)
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1157:Fellows of the Royal Society
350:, and President of both the
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787:Lloyd, Humphrey (1800–1881)
348:Fellow of the Royal Society
10:
1223:
817:Humphrey Lloyd (physicist)
785:Hamilton, Thomas (1893). "
596:The Doctrine of Absolutism
592:, anonymous, Dublin, 1868.
580:, a lecture, Dublin, 1865.
330:from 1867 to 1881. He was
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728:. Trinity College Dublin
639:Mollan, Charles (1995).
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500:
1091:Albert Joseph McConnell
673:Trinity College Dublin
645:Trinity College Dublin
623:. He had no children.
560:The Elements of Optics
467:
457:Irish disestablishment
383:Trinity College Dublin
340:William Rowan Hamilton
290:Trinity College Dublin
215:Trinity College Dublin
137:Thomas Romney Robinson
125:William Rowan Hamilton
1066:John Pentland Mahaffy
465:
446:Cunningham gold medal
430:terrestrial magnetism
1101:William Arthur Watts
1001:John Hely-Hutchinson
819:at Wikimedia Commons
752:search.amphilsoc.org
748:"APS Member History"
493:. A bust of him, by
1116:Patrick Prendergast
1051:John Hewitt Jellett
851:John Hewitt Jellett
442:Royal Irish Academy
418:Royal Irish Academy
399:British Association
356:Royal Irish Academy
352:British Association
95:John Hewitt Jellett
1187:Optical physicists
1041:Richard MacDonnell
936:Richard Washington
834:Richard MacDonnell
715:, pp. 425–426
471:Awards and honours
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450:Richard MacDonnell
413:Sir David Brewster
336:conical refraction
83:Richard MacDonnell
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1128:
1031:Bartholomew Lloyd
966:Robert Huntington
857:
856:
848:Succeeded by
826:Academic offices
815:Media related to
679:on 17 August 2009
393:Scientific career
387:elected a Scholar
368:Bartholomew Lloyd
324:
307:
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270:Scientific career
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1172:Irish physicists
1021:Thomas Elrington
931:William Chappell
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831:Preceded by
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675:. Archived from
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659:
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495:Albert Bruce Joy
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253:Cunningham Medal
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147:Personal details
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598:, Dublin, 1871.
586:, Dublin, 1865.
568:, Dublin, 1857.
562:, Dublin, 1849.
556:, London, 1848.
550:, London, 1842.
534:, London, 1834.
528:, London, 1831.
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473:
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344:biaxial crystal
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201: 1840)
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191:Dorothea Bulwer
181:Dublin, Ireland
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1096:F. S. L. Lyons
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1081:William Thrift
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1061:Anthony Traill
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1177:Magneticians
1111:John Hegarty
1086:Ernest Alton
1076:Edward Gwynn
1071:John Bernard
1045:
1011:John Kearney
981:Peter Browne
956:Michael Ward
951:Thomas Seele
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755:. Retrieved
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681:. Retrieved
677:the original
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404:polarisation
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286:Institutions
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177:(1881-01-17)
132:Succeeded by
109:
90:Succeeded by
67:
18:
1147:1881 deaths
1142:1800 births
1121:Linda Doyle
1026:Samuel Kyle
1016:George Hall
911:Henry Alvey
901:Adam Loftus
791:Lee, Sidney
519:Proceedings
346:. He was a
120:Preceded by
78:Preceded by
1136:Categories
845:1867–1881
769:References
436:Later life
408:experiment
362:Early life
210:Alma mater
158:1800-04-16
481:Edinburgh
234:Known for
167:, Ireland
110:In office
68:In office
58:30th
732:6 August
354:and the
793:(ed.).
783::
757:9 April
683:29 July
621:Norfolk
511:Reports
280:Physics
203:
195:
789:". In
651:
615:Family
477:London
372:Dublin
276:Fields
260:(1874)
255:(1862)
250:(1836)
244:Awards
186:Spouse
165:Dublin
627:Notes
501:Works
420:(see
316:
197:(
193:
32:
759:2021
734:2013
685:2010
649:ISBN
517:and
479:and
323:PRIA
318:FRSE
227:D.D.
223:M.A.
219:B.A.
172:Died
152:Born
38:PRIA
34:FRSE
314:FRS
248:FRS
30:FRS
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