Ernest Howard Griffiths (15 June 1851 – 3 March 1932) was a British physicist born in Brecon, Wales. He was elected a Fellow of the Royal Society in 1895 and won its Hughes Medal in 1907. On his maternal side he was a descendant of the 17th-century admiral Robert Blake. Griffiths was appointed principal of the University College of South Wales and Monmouthshire, Cardiff in 1901 and given a professorship in experimental philosophy. He was a Fellow of Jesus College, Oxford in 1905, 1909, 1913, and 1917, as part of a system whereby a college fellowship rotated amongst the principals of Welsh university colleges. References 1851 births 1932 deaths People from Brecon Fellows of the Royal Society Welsh physicists Academics of Cardiff University Fellows of Jesus College, Oxford