Papers of Thaddeus Robert Rudolph Mann, 1938-1984; comprising biographical and bibliographical material, notebooks and reprints on enzyme research, 1938-1954; photographs of the Molteno Institute of Biology and Parasitology, Cambridge, 1925-1960.

Papers of Malcolm Lilly, 1957-2003, comprising biographical papers including obituary; curriculum vitae; bibliography; list of theses supervised and an account of Lilly's efforts to secure membership of the Institution of Chemical Engineers.

Notebooks, 1962-1998 and research notes, 1965-1997, including on control systems, fermentation and progesterone conversion.

Papers relating to biochemical engineering at University College London (UCL), including on the history of development of biochemical engineering at UCL; the Advanced Centre for Biochemical Engineering; the Interdisciplinary Research Centre; research grants, teaching, training and personnel.

Publications by Lilly, 1962-2003; manuscript and typescript drafts for publications and unpublished drafts and correspondence relating to journals with which Lilly was associated with as author, reviewer or editor.

Transcripts of Lilly's public and invitation lectures, 1966-1996, including on 'Immobilised Enzyme Reactors', Developments in Biocatalysis', 'Two-liquid phase biocatalytic reactors', 'Industrial use of Biocatalysts for Asymmetric Synthesis' and 'Biochemical Engineering - It's Contribution to Society.' Also untitled and draft lecture notes and visual material.

Papers relating to twenty four British and international organisations and societies including the European Commission, the European Federation of Biotechnology; the International Organisation for Biotechnology and Bioengineering and the Institute for Biotechnology Studies.

Papers relating to Lilly's consultancy work with twenty one commercial organisations including Beckman Instruments; Beecham Group Ltd and Merck Sharp and Dohme Research Laboratories.

Papers relating to visits and conferences, 1964-1998, including programmes, lists of participants; abstracts and Lilly's notes on proceedings.

Correspondence, 1966-1998, including references and recommendations.

Correspondence on the enzyme phosphotase, 1932; correspondence, notes, lists, pamphlets etc re talks to forces (general and on first aid) during Second World War; anatomical and physiological information supplied to RAF; personal correspondence, 1940-1945.

Papers of Patricia Hannah Clarke, 1963-2003, comprising biographical material including autobiographical material compiled for Clarke's personal record as a Fellow of the Royal Society; curriculum vitae; video of an interview for the Biochemical Society; papers relating to Deer Park School, Cirencester of which Clarke was a Governor, 1988-1999 and correspondence with local and national politicians on education, tobacco advertising and asylum seekers.

Papers relating to Clarke's interest in the historical contribution of women scientists and her concern in encouraging women scientists. Includes, correspondence, notes, printed reports and photocopied material used for a number of activities including her lecture 'Women in Science at University College, 1878-1978', 1992; Royal Society meeting on 'Women in Science and Technology: opportunities for change?', 28 May 1993; papers relating to Clarke's service on the Committee on Women in Science, Engineering and Technology and a meeting on Women in Science at the Royal Society, 27 Mar 2001.

Publications including an incomplete set of offprints of Clarke's works; papers relating to her biographical memoirs of Roger Yate Stanier and Michael Douglas Lilly and her entry for Muriel Robertson for the New Dictionary of National Biography; lecture material including for Clarke's Royal Society Leeuwenhoek Lecture 'Experiments in microbial evolution: new enzymes, new metabolic activities', 1979, and the 19th J D Bernal Lecture, 'New directions in biology: basic science and biotechnology', delivered at Birkbeck College London, 1988.

Papers relating to eight UK and overseas societies and organisations, 1975-2001, including the British National Bibliographical Research Fund, the Royal Society, the Palm Oil Research Institute of Malaysia and the Research Grants Council, Hong Kong.

Papers relating to Clarke's visits and conferences, 1971-1998, including visits to the Far East including Singapore, Malaysia, China and Hong Kong and meetings marking the centenary of the birth of J B S Haldane, 1992.

Correspondence, including with researchers at University College London, colleagues in the UK and scientists in the USA and Europe. Correspondents include R E Drew, B W Holloway, S Brenner; H L Kornberg, R D Sager and R Y Stanier.