David James Thouless FRS (/ˈdeɪvᵻd ˈdʒeɪmz ˈθaʊlɛs/, born 21 September 1934) is a British condensed-matter physicist, Wolf Prize winner and laureate of the 2016 Nobel Prize for physics along with F. Duncan M. Haldane and J. Michael Kosterlitz for theoretical discoveries of topological phase transitions and topological phases of matter.[2][3]