From 1960 to 1967, he was a senior lecturer at the Criminological Institute of Utrecht University, where he worked very closely with Professor of Law W. Pompe. In 1963, at the request of the Dutch Labour Party, he rejoined the Senate for a second term which would last until his resignation in 1977. From 1969 to 1977 he was chairman and spokesman for the Permanent Senate's Committee for Justice. For his political service, he was made a Companion in the Order of the Dutch Lion on 29 April 1975. As chairman of the Senate Judiciary Committee he functioned from 1969 to 1977.