BARKLA, CHARLES GLOVER ), British scientist, was born June 7, 1877, at Widnes, Lancashire, the son of John Martin Barkla, secretary of the Atlas Chemical Co. He was educated at Liverpool institute ; University college, Liver pool; and Trinity and King's colleges, Cambridge. In 1902 he became Oliver Lodge fellow of Liverpool university, and demonstrator and assistant lecturer in physics, 1905. In 1907 he was lecturer in advanced electricity, and from 1909-13 Wheat stone professor of physics in the University of London (King's college) . He was then appointed (1913) professor of natural philosophy at the University of Edinburgh. He became Bakerian lecturer at the Royal Society 1916, and Hughes medallist of the same society in the following year. In 1917 he was awarded the Nobel prize for physics. He has written numerous papers on electric waves, X-rays, etc., for various scientific journals.