Beijing Chinese Academy of Sciences, Inst. Zoology; December: Entomology Dept., North-West A&F University at Shaanxi, China
Israel, Jordan, Egypt; July: Jamaica; December: Arunachal Pradesh (North East India), Rajiv Gandhi University, Itanagar.
Arunachal Pradesh (North East India), Rajiv Gandhi University, Itanagar. June: Beijing Chinese Academy of Sciences, Inst. Zoology; Bingzhi Professor award. July-August: Hamamatsu Medical University, Japan
Argentina, Chile, Bolivia. February: Dimapur, Nagaland & Arunachal Pradesh(Ethno-entomological field work in North East India). March-July: Pyongyang (North Korea -Democratic People's Republic of Korea-); University of Science & Technology; August: Wuhan Agric. University (China)
Dimapur, Nagaland(Ethno-entomological field work, sponsored by Rikkyo Daigaku, Tokyo, Japan)
New Zealand, Japan(Rock lobster research, sponsored by Deutsches Zentrum fuer Luft- und Raumfahrt); July: Malaysia(International Firefly Conference in Kuala Lumpur)
Hong Kong, New Zealand, and Australia (Rock lobster research, sponsored by Deutsches Zentrum fuer Luft- und Raumfahrt)
(Guest Speaker at World Butterfly Expo in Hampyeong; sponsored by Korean Academy of Sciences); July:Sweden & Copenhagen (Invertebrate Vision Congress and Neuromorphology Symposium)
Japan, Taiwan, and South Korea (Japanese Soc. Promotion of Science; Taiwan Academy of Sciences; Agricult. Biol. Dept. of Chonnam Natl. University)
Lecturer and field guide for Hapag Lloyd's MS �Bremen' (Micronesia and Papua New Guinea)
Lecturer & field guide for Hapag Lloyd's MS �Bremen' (Antarctic Peninsula & Subantarctic Islands)
Visiting Professor at Mie University, Japan (by invitation through the Japanese Academy)
Millennium Lecturer & field guide for Hapag Lloyd's MS �Bremen' (Antarctic Peninsula & Subantarctic Islands)
Invited participant of Int. Bioluminescence Expedition to New Zealand, (University of Electro-Communications , Prof. H.Niwa, Tokyo)
Leader of 1st Jamaican Antarctic Expedition to Jelcho Base (Antarctic Peninsula), sponsored by University of the West Indies and the Chilean Antarctic Programme
Leader of research team to Scott Base and Dry Valleys (Antarctica), sponsored by Waikato University Antarctic Research Programme (New Zealand)
Lectures & research at N-E-H-University; Sophisticated Instrumentation Centre; Shillong, Meghalaya, India
Leader of 5-person team to Scott Base (Antarctica), sponsored by Waikato University Antarctic Research Programme and grant from Japanese Ministry of Culture, Science, and the Arts
Lecture tour (Japan & Korea): Tokyo Agriculture University; Yokohama City University, Kitasato University, Tohoku University, Hamamatsu Medical University, and Kyungpook National University
Team leader of Expedition to Nouvelle Caledonie, sponsored by National Geographic Society of the U.S.A
Antarctica (Scott Base and Dry Valleys), project leader, sponsored by Waikato University Antarctic Research Programme through New Zealand University Grant
MS "Astor" trip to Jan Mayen Island and Spitzbergen (Ny Ålesund), sponsored by Society of Pulmonologists and Allergologists in Germany
Lecture tour about Antarctic Research (Peoples' Republic of China): Beijing, Shanghai, Tsingtao, and Canton, by invitation of and financed by the Chinese Academy of Sciences
Lecture tour (U.S.A.): University of Wisconsin (Madison), Yale University (New Haven), State University of New York (Stony Brook)
Antarctica (Scott Base and Ross Ice Shelf, Station J9). Team leader of Waikato University Antarctic Research Project, supported by University Grants Committee and participant of National Science Foundation funded 'Ross Ice Shelf Project' (U.S.A.)
Antarctica, a survey of various habitats (marine, limnic, dry valleys, volcanic, ice-caves, South Pole, etc.), sponsored by Waikato University Antarctic Research Programme through New Zealand University Grant
RV "Alpha Helix" South East Asia Bioluminescence Expedition to the Banda Islands (Indonesia), sponsored by Scripp's Institution of Oceanography, La Jolla (U.S.A.)
Trobriand Islands, Melanesia (West Pacific), sponsored by 'Leonaris Medical Film Library', Böblingen (Germany)
Visit to University of Papua at Port Moresby and Central Australian Aboriginal reservations, sponsored by Australian National University, Canberra (Australia)
Expedition to Papua New Guinea, sponsored by Australian National University, Canberra (Australia)
FRV "Walther Herwig" South Atlantic Ocean Research Trip; joint support and operation by South African and German government organizations
Summer semester breaks spent in the West Indies and (1966) in Japan