University of Helsinki, Finland
Prof. Krohn is the emeritus Professor of Pathology at Helsinki University, Finland and was appointed as the first Professor of Pathology at the newly established Medical School at Tampere University in 1974. He served as the Chairman of the University Council and as the Vice-Dean twice. In 1995 he was appointed Director of the newly established Institute of Medical Biotechnology (IMT).
Prof. Krohn completed his medical training (MD) at the University of Helsinki in 1962 and obtained his PhD in 1968. In 1970 he obtained his degree of Specialist in Pathology (Boards).
His early research concentrated in autoimmunity notably of chronic autoimmune gastritis and on the autoimmune syndrome (APECED). Prof. Krohn spent his post-doctoral fellowship at New York Medical Hospital, Cornell University and at the Virus laboratory in New York Blood center, with Dr. Alfred M. Prince. They characterized the newly found virus for serum hepatitis, the Hepatitis B-virus and took the first steps in the development of the HBV vaccine. He spent three years as a Senior Scientist at NIH, working with Prof. Robert Gallo.