Professor emeritus of Immunology at the Department of Microbiology, Tumour and Cell Biology.
Hans Wigzell became PhD in 1967 on the thesis "Studies on some factors regulating antibody synthesis." 1972 he became professor in immunology at the University of Uppsala, and in 1981 he returned to the KI as a professor, emeritus since 2005.
From 1986 to 1991 he was head of first the National Bacteriological Laboratory (SBL) and then its successor Swedish Institute for Infectious Disease Control.
The years 1995-2003 he was Rector of the Karolinska Institutet.