He was appointed Lecturer in 1961, Reader in 1971 and Professor in 1990.
He was appointed Reader in physiology in 1969.
In 1957 he was appointed Reader in Pure Mathematics, a post which he held until 1969.
He was appointed Reader in Classical Literature in 1942.
He was successively appointed Senior Lecturer in 1968 and Reader in 1970.
In 2004 he was appointed Reader in the Law of Contract at the University.
In 1919 he was appointed Reader in Pharmacology at Cambridge.
Here he was appointed Reader in 1977.
In 1983 he was appointed Reader in Karoo Biostratigraphy by the university.
He was appointed Reader in medicine.