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25:(23 March 1775 – 17 August 1856) (or William Hasledine Pepys - both versions were used during his lifetime) was an English scientist and founder of learned institutions who contributed significantly to the advancement of the chemical and physical sciences during the first half of the nineteenth century.
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His father died in 1805 and Pepys extended his father's business into making instruments for the philosophical discipline. Pepys own application of electrolysis, linked to his business, was shown in his attempts to melt platinum by the discharge from his very large batteries. In 1805 Pepys made some
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Another close friend was
William Allen and together they investigated the composition of carbon dioxide, and the density of ammonia, and elucidated the chemical phenomena of respiration in man, animals, and plants. These researches were successful largely because of the ingenious apparatus invented
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In his own research, Pepys worked on soda-water apparatus in 1798 and also researched into using mercury contacts for electrical apparatus and tubes coated in India rubber to convey gases, inventing the mercury gasometer as a result. In the field of experimental physics, he investigated several
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that founded the
British Mineralogical Society. The membership of the BMS was made up of middle-class chemists, physicians, and owners of businesses such as iron-making and instrument manufacturers which were increasingly subject to technological change. The BMS was a forerunner of the
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and dissenters who were excluded from the political and social mainstream because of their religion, and being occupied in skilled proprietarial enterprises "fostered zealous commitment to the progress of utility, wealth, knowledge and talent".
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aspects of the recently discovered
Voltaic electricity: his 'Voltaic coil', consisting of only two plates, but of very large dimensions, was particularly suited for investigating electromagnetic phenomena and was so used in his friend
533:"William Hasledine Pepys FRS: A life in scientific research, learned societies and technical enterprise = William Hasledine Pepys FRS : Une vie dans la recherche scientifique, les sociétés savantes et l'entreprise technique"
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and designed by Pepys. He was active in the management of the Royal
Institution of Great Britain and was its vice-president in 1816. He was honorary secretary of the London Institution from 1821 to 1824 and was Master of the
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MP cousin of the diarist. His father was a cutler and maker of surgical instruments and Pepys was apprenticed to his father as a cutler on 16 April 1789. He was released on 10 May 1796 and became a liveryman of the
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Pepys married Lydia Walton in 1815 and they had several children. He died at his home at Earl's
Terrace, Kensington and is buried to the left of his wife Lydia in the Terrace Catacombs,
106:. By 1815, Pepys used an electric current to heat iron in the presence of diamond to produce steel. This removed any remaining doubts that diamond was a form of carbon.
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452:"'A devotion to the experimental sciences and arts': the subscription to the great battery at the Royal Institution 1808–9"
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318:"CHAPTER TWO : PROSOPOGRAPHIC AND SCREENING ANALYSES OF MEMBERS OF THE GSL COUNCIL: 1807 - 1850"
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As well as the manufacture of surgical instruments in the City he took active directorships in the
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in 1822 and 1828. He became the
Treasurer and Vice-President of the Geological Society.
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418:"Paul J. Weindling 'A gesture by William Hasleden Pepys, cutler and instrument maker'"
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Graves of
William Hasledine Pepys and his wife Lydia in the Terrace Catacombs,
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218:"On the Quantity of Carbon in Carbonic Acid, and on the Nature of the Diamond"
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On the quantity of carbon in carbonic acid: and the nature of the diamond
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A New
Eudiometer accompanied with experiments elucidating its application
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Notice respecting the decomposition of sulphate of iron by animal matter
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On the changes produced in atmospheric air and oxygen gas by respiration
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of London in 1796. He also became part of a group of London-based
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501:"An Account of Some Experiments with a Large Voltaic Battery"
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and was an original manager. In 1807 he invented a type of
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Philosophical Transactions (1807) with William Allen
346:"The Chemical News and Journal of Physical Science"
90:In 1806 Pepys was prominent in the founding of the
267:"The Pepys (Peeps, Peaps, Peapes) One Name Study"
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177:On respiration (1809) Philosophical Transactions
79:fruit knives in platinum, presenting one to Sir
396:"The Quarterly Journal of Science and the Arts"
561:The Monumental Inscriptions of Middlesex Vol 2
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459:The British Journal for the History of Science
450:Unwin, Patrick; Unwin, Robert (9 June 2007).
245:"On the Respiration of the Leaves of Plants"
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54:In 1796 he was one of the founders of the
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348:. Griffin, Bohn and Company. 9 March 1775
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488:– via Cambridge University Press.
216:Allen, W.; Pepys, W. (1 January 1800).
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371:"Royal Institution of Great Britain"
161:Philosophical Transactions 97 (1807)
130:Imperial Continental Gas Association
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83:and asking him to present a pair to
632:People of the Industrial Revolution
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558:Cansick, Frederick Teague (1872).
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134:General Steam Navigation Company
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153:Description of a new Gas Holder
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564:. J Russell Smith. p. 101
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155:Philosophical Magazine 13 1802
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637:English educational theorists
255:– via Internet Archive.
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123:Worshipful Company of Cutlers
44:Worshipful Company of Cutlers
642:Fellows of the Royal Society
622:Burials at Highgate Cemetery
243:Pepys, W. (1 January 1837).
65:Geological Society of London
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398:. John Murray. 9 March 1817
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505:Phil. Trans. R. Soc. Lond
471:10.1017/S000708740700948X
406:– via Google Books.
356:– via Google Books.
247:. Royal Society of London
224:. Royal Society of London
593:William Haseldine Pepys
499:J. G. Children (1815).
325:Ses.library.usyd.edu.au
17:William Haseldine Pepys
518:10.1098/rstl.1815.0021
425:Platinum Metals Review
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273:on 11 September 2015
297:Museumsheffield.org
627:English scientists
591:Works by or about
293:"Sheffield Museum"
179:with William Allen
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92:London Institution
33:Pepys was born in
141:Highgate Cemetery
115:Highgate Cemetery
104:Royal Institution
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617:1856 deaths
612:1775 births
375:Aim25.ac.uk
222:Archive.org
606:Categories
597:Wikisource
543:5 February
277:12 January
203:References
96:eudiometer
85:George III
479:144609804
29:Biography
192:. (1811)
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48:Quakers
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35:London
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570:2021
545:2009
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
