Professor Nicolau van Uden (1921-1991) He was born in the Netherlands. Naturalized Portuguese in 1975.Degree in Medicine, University of Vienna, Austria. PhD in Biology, University of Coimbra.Aggregate in Microbiology, New University of Lisbon.Director of the Microbiology Laboratory (1966-91) and of the Teaching Department of the Instituto Gulbenkian de Ciência (IGC).Promoter and director of the international monographic courses “Estudos Avançados de Oeiras” (IGC, 1969-91).Professor of Microbiology at the Faculty of Science and Technology of the New University of Lisbon (1979-91).He initiated and directed the Portuguese Yeast Culture Collection (now PYCC, 1952-91).Doctor Honoris Causa, University of the Orange Free State, South Africa.Honorary Member of the Portuguese Society of Biochemistry and of the Spanish Societies of Microbiology and Biochemistry. Detailed BiographyProfessor van Uden by Himself