1922 Oliver Heaviside FRS
1923 The Hon Sir Charles A Parsons OM KCB FRS
1924 S Z de Ferranti DSc FRS
1925 Sir J J Thomson OM MA FRS
1926 Colonel R E B Crompton CB FRS
1927 Elihu Thomson DSc
1928 Professor Sir Ambrose Fleming MA DSc FRS
1929 Guido Semenza
1930 The Rt Hon Lord Rutherford of Nelson OM FRS
1931 C H Merz DSc
1932 Sir Oliver Lodge DSc FRS
1933 no award
1934 Sir Frank E Smith GCB GBM DSc FRS
1935 F B Jewett PhD
1936 Sir William H Bragg OM KBE MA DSc FRS
1937 Professor Andre Blondel
1938 Sir John F C Snell GBE
1939 W D Coolidge BS PhD
1940 A Russell MA DSc LLD FRS
1941 Sir Arthur P H Fleming CBE DEng LLD
1942 Dr P Kapitza FRS
1943 Sir Archibald Page
1944 I Langmuir LLD DSc PhD
1945 Sir Clifford C Paterson OBE DSc FRS
1946 Sir Edward V Appleton GBE KCB MA DSc LLD FRS
1947 Sir Leonard Pearce CBE DSc
1948 Professor M L E Oliphant FRS
1949 C S Franklin CBE
1950 Sir James Chadwick MSc PhD FRS
1951 T L Eckersley BA BSc PhD FRS
1952 Professor E O Lawrence AM PhD
1953 Sir A Stanley Angwin KBE DSO MC TD BSc(Eng)
1954 Sir I Shoenberg
1955 Sir John Cockcroft KCB CBE MA DSc MScTech . PhD FRS
1956 Professor G W O Howe DSc LLD
1957 Dr Waldemar Borgquist
1958 Sir Gordon Radley KCB CBE PhD(Eng)
1959 Luigi Emmannueli
1960 Sir George P Thomson DSc FRS
1961 Julius A Stratton ScD LLD
1962 Sir Basil F J Schonland CBE MA PhD FRS
1963 P M J Ailleret
1964 J R Mortlock BSc(Eng) PhD
1965 Vladimir K Zworykin EE PhD DSc
1966 J A Ratcliffe CB CBE MA FRS
1967 Professor H E M Barlow PhD BSc(Eng) FRS
1968 L H Bedford CBE MA BSc(Eng)
1969 Dr Phillip Sporn EE
1970 Professor C W Oatley OBE MA MSc FRS
1971 Professor Sir Martin Ryle MA FRS
1972 Professor F C Williams CBE DSc DPhil FRS
1973 Professor Sir Nevill Mott MA FRS
1974 G Millington MA BSc
1975 Professor J M Meek CBE DEng FInstP
1976 T O Paine AB MS PhD
1977 Dr J B Adams CMG MA FRS
1978 Dr E Friedlander
1979 Dr Robert N Noyce
1980 Professor E A Ash PhD DSc
1981 Professor M V Wilkes
1982 Professor B D Josephson
1983 Professor W A Gambling DSc PhD FEng
1984 Professor A L Cullen OBE DSc(Eng) FRS FEng
1985 Professor C A R Hoare MA HonDSc
1986 Professor E D R Shearman BSc(Eng) FEng
1987 Professor D E N Davies CBE DSc PhD FEng
1988 Professor C Hilsum BSc PhD FRS FEng
1989 Professor C K Kao BSc BSc(Eng) PhD
1990 Professor P J Lawrenson MSc DSc FRS FEng
1991 Dr A W Rudge OBE FEng
1992 Dr L Solymar MA
1993 Professor A G J MacFarlane CBE FRS FEng
1994 Dr J Parnaby CBE BSc DTech FEng
1995 Professor J D Rhodes OBE PhD DSc DEng FRS . FEng
1996 Mr S C Miller CBE BSc FEng
1997 Professor J E Midwinter OBE BSc FRS FEng
1998 Professor R M Needham FRS FEng
1999 Professor P A McKeown OBE FREng DSc
2000 Professor J M Brady FREng MSc PhD FRS
2001 Professor C J Harris BSc MA PhD FREng CEng . FIEE
2002 Sir Robin Saxby BEng
2003 Professor R H Friend FRS
2004 Professor P M Grant FREng FRSE BSc PhD
2005 Mr Azim H Premji