1902:Joseph John Thomson 1903:Johann Wilhelm Hittorf 1904:Joseph Wilson Swan 1905:Augusto Righi 1906:Hertha Marks Ayrton 1907:Ernest Howard Griffiths 1908:Eugen Goldstein 1909:Richard Glazebrook 1910:John Ambrose Fleming 1911:Charles Thomson Rees Wilson 1912:William Duddell 1913:Alexander Graham Bell 1914:John Sealy Townsend 1915:Paul Langevin 1916:Elihu Thomson 1917:Charles Glover Barkla 1918:Irving Langmuir 1919:Charles Chree 1920:Owen Willans Richardson 1921:Niels Bohr 1922:Francis William Aston 1923:Robert Andrews Millikan 1924: — 1925:Frank Edward Smith 1926:Henry Bradwardine Jackson 1927:William David Coolidge 1928:Maurice de Broglie 1929:Hans Geiger 1930:Chandrasekhara Venkata Raman 1931:William Lawrence Bragg 1932:James Chadwick 1933:Edward Appleton 1934:Karl Siegbahn 1935:Clinton Davisson 1936:Walter Hermann Schottky 1937:Ernest Lawrence 1938:John CockcrofteErnest Walton 1939:George Paget Thomson 1940:Arthur Holly Compton 1941:Nevill Francis Mott 1942:Enrico Fermi 1943:Marcus Oliphant 1944:George Finch 1945:Basil Schonland 1946:John Randall 1947:Frédéric Joliot-Curie 1948:Robert Watson-Watt 1949:Cecil Powell 1950:Max Born 1951:Hendrik Anthony Kramers 1952:Philip Dee 1953:Edward Bullard 1954:Martin Ryle 1955:Harrie Massey 1956:Frederick Lindemann 1957:Joseph Proudman 1958:Edward Andrade 1959:Brian Pippard 1960:Joseph Pawsey 1961:Alan Cottrell 1962:Brebis Bleaney 1963:Frederic Calland Williams 1964:Abdus Salam 1965:Denys Wilkinson 1966:Nicholas Kemmer 1967:Kurt Mendelssohn 1968:Freeman Dyson 1969:Nicholas Kurti 1970:David Bates 1971:Robert Hanbury Brown 1972:Brian David Josephson 1973:Peter Hirsch 1974:Peter Fowler 1975:Richard Dalitz 1976:Stephen Hawking 1977:Antony Hewish 1978:William Cochran 1979:Robert Williams 1980:Francis Farley 1981:Peter Higgs,Tom Kibble 1982:Drummond Hoyle MatthewseFrederick Vine 1983:John Clive Ward 1984:Roy Kerr 1985:Tony Skyrme 1986:Michael Woolfson 1987:Michael Pepper 1988:Archibald HowieeMichael John Whelan 1989:John Stewart Bell 1990:Thomas George Cowling 1991:Philip Burton Moon 1992:Michael Seaton 1993:George Isaak 1994:Robert G. Chambers 1995:David Shoenberg 1996:Amyand Buckingham 1997:Andrew Lang 1998:Raymond Hide 1999:Alexander Boksenberg 2000:Chintamani Rao 2001:John Pethica 2002:Alexander Dalgarno 2003:Peter Edwards 2004:John Clarke 2005:Keith Moffatt 2006:Michael Kelly 2007:Artur Ekert 2008:Michele Dougherty 2010:Andre Geim 2011:Matthew Rosseinsky 2013:Henning Sirringhaus 2015:George Efstathiou 2017:Peter Bruce 2018:James Durrant 2019:Andrew Cooper 2020:Clare Grey