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.

Papers of Professor Eric Crook, 1934-1982, comprising papers relating to biochemical engineering at University College London, (UCL) including Crook's historical account of the development of biotechnology; papers relating to research at UCL, collaborating with the Department of Chemical Engineering, including on the production of coenzyme A and enzymes on solid supports; and papers relating to the establishment of the postgraduate diploma in biochemical engineering, 1959.

Lecture material including drafts for Cook's Procter Memorial Lecture; papers relating to publications including material for Crook's own publications; bound volume of Crook's offprints, 1934-1964; papers relating to the founding of the Journal of Biochemical and Microbiological Technology and Engineering, 1957-1962; papers relating to the Medical Research Council, the Science Research Council and the University of Manchester Institute of Science and Technology, 1971-1978; papers relating to meetings and visits, 1967-1982 and two photographs of Crook.