abstract:Arthur Marshall Stoneham, FRS (May 18, 1940 Barrow, Cumbria, UK– February 18, 2011), known as Marshall Stoneham, was a British physicist who worked for the United Kingdom Atomic Energy Authority, and from 1995 was Massey professor of physics at University College London. He was the author of several books that became influential within the field, including Theory of Defects in Solids (1975).