David J. Thouless

David James Thouless FRS (/ˈθaʊlɛs/; 21 September 1934 – 6 April 2019) was a British physicist.^[6] He is a winner of the Wolf Prize and the 2016 Nobel Prize in Physics along with F. Duncan M. Haldane and J. Michael Kosterlitz for theoretical discoveries of topological phase transitions and topological phases of matter.^[7][8][9]

David Thouless FRS
David Thouless in 2016
Born	David James Thouless (1934-09-21)21 September 1934 Bearsden, Scotland[1]
Died	6 April 2019(2019-04-06) (aged 84) Cambridge, England[2]
Nationality	British
Alma mater	University of Cambridge (BA) Cornell University (PhD)
Known for	Kosterlitz–Thouless transition Thouless energy Topological quantum numbers
Spouse	Margaret Elizabeth Scrase (m. 1958)
Children	3[3]
Awards	Maxwell Medal and Prize (1973) Fellow of the Royal Society (1979) Holweck Prize (1980) Lars Onsager Prize (2000) Nobel Prize in Physics (2016)[4]
Scientific career
Fields	Condensed matter physics
Institutions	University of Washington University of California, Berkeley University of Birmingham Yale University
Thesis	The application of perturbation methods to the theory of nuclear matter (1958)
Doctoral advisor	Hans Bethe[5]
Notable students	J. Michael Kosterlitz (postdoc)[3]

In 2016, Thouless was reported to be suffering from dementia.^[10] He died on 6 April 2019 in Cambridge, at the age of 84.^[2]