Dictionary of Welsh Biography

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LEWIS , WILLIAM JAMES ( 1847 - 1926 ), mineralogist ;

b. 10 Jan. 1847 at Llanwyddelan, Mont. second son of John Lewis , cleric . From Llanrwst grammar school he went up in 1865 to Jesus College , Oxford , and took firsts in mathematical moderations 1867 , and final schools 1868 , and in natural science 1869 . In 1872 he was elected Fellow of Oriel — having been elected under the old statutes, and having remained unmarried, he was able to retain his Fellowship till death, i.e. for fifty-four years. After a short period of schoolmastering , and a spell of research in crystallography at Cambridge , he received, in 1875 , an appointment in the British Museum , but resigned it in 1877 on account of ill-health. He returned to Cambridge in 1879 to lecture on mineralogy , incorporating in 1880 at Trinity College ; in 1881 the University elected him Professor of mineralogy . He wrote little, apart from his standard work A Treatise on Crystallography , 1899 . In 1909 he became F.R.S. He d. 16 April 1926 .


  • T. Iorwerth Jones in The Transactions of the Honourable Society of Cymmrodorion , 1932-3 (with list of papers).


Emeritus Professor Robert Thomas Jenkins, C.B.E., D.Litt., Ll.D., F.S.A., (1881-1969), Bangor

Corrections and additions:


He was a tutor in Cheltenham College 1870-1871 and for a period from 1862 he was one of the editors of Messenger of Mathematics .


  • Proceedings of the Royal Society , 111 (1926) , xliv;
  • Nature , 117 (1926) , 628.


Dr Llewelyn Gwyn Chambers, Bangor

Published date: 1959