The University established the Institute of Environmental Sciences and on his retirement appointed him as Director, a position he held until 1976, working with a staff of local and foreign scientists. From 1977 to 1988 he acted as Research Officer at the Institute until his retirement at age 81. During his time with the Institute he founded the journal "Palaeoecology of Africa" which he edited with Johanna Alida Coetzee and other guest editors for some 20 years.