| Authorised form of name | Giffard; John Anthony Hardinge (1908 - 2000); 3rd Earl of Halsbury | 
| Other forms of name | Tony | 
| Other forms of surname | Halsbury | 
| Dates | 1908 - 2000 | 
| Nationality | British | 
| Place of birth | London, England  | 
| Date of birth | 04/06/1908 | 
| Place of death | London | 
| Date of death | 04/01/2000 | 
| Research field | Chemistry | 
| Mathematics | 
| Engineering | 
| Activity | Education:  Eton; Chelsea Polytechnic, London University External degree (1935)  Career:  Lever Brothers (1935-1942); laboratory of Brown-Firth (1942-1947); Director of Research, Decca Record Company (1947-1949); Managing Director of the National Research Development Corporation (1949-1959); Chancellor, Brunel University (1966-1997); active member of the House of Lords; Chairman of the committee on decimal currency (1961-1963)  Memberships:  FInstP (1946); FRIC (1947); FREng (1976); FIProdE (1979); Hon FRSC; Honorary Fellowship of the British Psychological Society; British Computer Society (President 1969-1970) | 
| Membership category | Fellow | 
| Date of election | 20/03/1969 | 
| Age at election | 60 | 
| Relationships | Grandson of the 1st Earl of Halsbury FRS (1887) | 
| Source | Obituaries: Biographical Memoirs of Fellows of the Royal Society 2001 vol 47 pp 239-253, plate, by Colonel O J M Lindsay  Sources:  The Times (18 January 2000), The Independent (18 January 2000) and the Daily Telegraph (18 January 2000); Guardian (1 February 2000) Notes:  Styled Viscount Tiverton. | 
| Code | NA5100 | 
Archives associated with this Fellow
| RefNo | Title | Date | 
| IM/GA/GRS/4268 | Giffard, John Anthony Hardinge, 3rd Earl of Halsbury | nd | 
| EC/1969/15 | Giffard, John Anthony Hardinge: certificate of election to the Royal Society |  |