Topics: Project concerning the identification of brain specimen at the Kaiser Wilhelm Institute for Brain Research during the National Socialist Era; Project concerning clinical testing on neuroleptics in West-Germany between 1950s and 1970s; Accounting and bookkeeping in medicine in D and GB 1750-1950; history of laboratory animals 1850-1950; (family)biography on Paul Ehrlich; Bacteriological reserach institutes in Europe and USA, 1880s to 1930s; bioeconomies – an archeology of growth