sentences:  He did research and later became a professor at the Department of medicine, where he specialised in microbiology and immunology.In 1968, he became the first rector of the Flemish Katholieke Universiteit Leuven and he remained rector until his death in 1985.Pieter De Somer founded both the company Recherche et Industrie Thérapeutiques and the Rega Institute for Medical Research.