Complex sentence: Walsh was Pro- Vice-Chancellor of the university from 1965 to 1967 and following the death of the incumbent Vice-Chancellor, Edward Boyle, in 1981 he became Acting Vice-Chancellor until a successor (Edward Parkes) was appointed in 1983.
Split into simpler sentences: Walsh was Pro- Vice-Chancellor of the university from 1965 to 1967. Following the death of the incumbent Vice-Chancellor, Edward Boyle, in 1981 he became Acting Vice-Chancellor until a successor (Edward Parkes) was appointed in 1983.