From box labelled 'Meetings 1959-1975': lecture notes and papers, correspondence, programmes and other material related to genetics seminars, symposia, conferences etc. attended by DH.
From a box labelled 'Meetings 10, 1997-2000': programmes, abstracts, reports, correspondence, newspaper clippings etc. from visits, conferences, symposia and meetings attended by DH.
From a box labelled 'Meetings 11, 2001-2008': programmes, abstracts, reports, correspondence, newspaper clippings etc. from visits, conferences, symposia and meetings attended by DH.
From a box labelled 'Meetings 12, 2009-': programmes, abstracts, reports, correspondence, newspaper clippings etc. from visits, conferences, symposia and meetings attended by DH.
2nd European Congress of Biotechnology (Eastbourne). Symposium 'Structure and Function of Biological Macromolecules' (Berlin). International Course on Molecular Genetics of Antibiotics' (Spain). Association of Microbiologists of India, 22nd Annual Conference (Lucknow). Antibiotics meetings and workshops, NRDC, BTG (London). Symposium 'Genetic Engineering-Beyond E-Coli ' (Surrey). A.D.E.P.R.I.N.A. Seminar (Paris).
4th international symposium of industrial microorganisms (Kyoto, Japan). 13th International Congress of Microbiology (Boston, USA). Symposium, Luntern Lectures, Molecular Genetics (Netherlands).
Meeting 'Microbial Development' (Cold Spring Harbor, New York). 'Antibiotics 1983' (Spain). 6th International Protoplast Symposium (Basel) 15th International Congress of Genetics (New Delhi). Visit to Hungary. Taniguchi Symposium on 'Microorganisms as the Basis of Biotechnology' (Japan).
Research conference: 'Plasmids in Bacteria' (Illinois, USA). '10 years of Streptomyces Genetics', Sheffield. 3rd ASM Conference on Genetics and Molecular Biology of Industrial Microorganisms (Indiana, USA). Society of Chemical Industry Symposium (London).
Dahlem Workshop on Biotechnology (Berlin). The British Council, Overseas Course 'Advances in biotechnology: the biologiocal basis' (Dubrovnik). DH's role as External Examiner in Microbiology, University of Malaysia. 16th Workshop Conference Hoechst, 'Regulation of Secondary Metabolite Formation' (Germany). 35th Annual Meeting, Canadian Society of Microbiologists (Halifax, Nova Scotia) Wind River Conference, (Colorado, USA). Nature International Conference and Exhibition (London). 6th International Symposium on the Biology of Actinomycetes (Hungary) Society of Chemical Industry, International Symposium, 'Biotechnology and its Application to Agriculture' (Cambridge). Society for General Microbiology (Warick).
CIM86: the 5th International Symposium on the Genetics of Industrial Microorganisms (Yugoslavia). 'Antibiotics 86' (Granada, Spain). 17th FEBS Meeting (Berlin). 'Microbe 86', 14th International Congress of Microbiology (Manchester). Biotechnology Directorate: roundtable discussion on antibiotic production (London). 26th Interscience Conference on Antimicrobial Agents and Chemotherapy (ICAAC) Symposium (USA). 3rd European Conference on Industrial Microbiology (Milan) Société Francaise de Microbiologie, ' Biologie Moléculaire de la Résistance aux Agents Antibactériens' (Paris)