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Aberystwyth University
E J Williams Papers

Reference code(s): GB 0982 EJW

Held at: Aberystwyth University

Title: E J Williams Papers

Short Title: E J Williams Papers

Creation date(s): 1925-[1945?]

Level of description: fonds

Extent: 0.12 cubic metres

Name of creator(s): Evan James Williams


Administrative/Biographical history: Evan James Williams was born on August 8th 1903, in Cwmsychpant near Llanybydder, Carmarthenshire. He received his education at Llandysul County School. Although a talented writer, winning several competitions in local eisteddfodau for his literary compositions, his main interest was science. In 1919 he won a scholarship to study at Swansea Technical College, which became the University of Wales, Swansea the following year.
He left Swansea with his MSc in 1924, and went on to work with Professor W L Bragg at the University of Manchester. His research there earned him his PhD. He then attended Cambridge University as an 1851 Exhibition student, receiving a PhD in 1929. This was added to by a DSc Wales the following year.
Williams continued his academic research, spending 1933 at the Niels Bohr Institute of Physics in Copenhagen. On his return, he became an Assistant Lecturer at the University of Manchester, followed by a period as Senior Lecturer at the University of Liverpool. In 1938, he was offered the Chair of Physics at the University of Wales, Aberystwyth, where he would remain until his death in 1945.
Williams was made FRS in 1939. During the Second World War, he served in the Air Ministry and Admiralty. Primarily known as the discoverer of pi-meson decay, he published over thirty academic works, bringing a semi-classical approach to modern physics.


Scope and content/abstract: The archive contains research notes compiled by E J Williams; correspondence, mainly professional in content; offprints of papers written by Williams, along with some manuscript and typescript drafts; the glass plates from which Williams studied, and a small group of papers relating to the work of the Physics Department, University of Wales, Aberystwyth.


Language/scripts of material:

System of arrangement:

Conditions governing access: The papers may be consulted through application to Information Services, Hugh Owen Library, University of Wales Aberystwyth, Penglais Campus, Aberystwyth, Ceredigion, SY23 3DZ, Tel: 01970 622399, Fax: 01970 622404, E-mail:

Conditions governing reproduction: Usual copyright regulations apply

Finding aids: Basic finding aid available at Hugh Owen Library, University of Wales, Aberystwyth.

Language codes: eng wel


Archival history:

Immediate source of acquisition:


Related material: The University of Wales, Aberystwyth Department of Physics Archive is also held by the University, as are the archives of the University of Wales, Aberystwyth Physics Society, and former Aberystwyth physicist, D A Richards.


Note: Description compiled by Rhian Phillips, Archives Hub project archivist, with reference to the E J Williams Papers.

Rules or conventions: Created following ISAD(G) and Archives Hub Data Creation Guidelines

Date(s) of descriptions: Prior to 16-11-2004

Physics | Research
Physics | Study and teaching

Personal names
Williams , Evan James , 1903-1945

Corporate names
University College of Wales (Aberystwyth, Wales) | Dept. of Physics


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