After studies at the University of Melbourne and at the University of Cambridge, where he was a research fellow at Pembroke College, Gerald O'Collins taught at the Gregorian University, Rome from 1973 to 2006 and was also Dean of the Theology Faculty 1985-91. Known around the world as a lecturer and visiting professor, he has authored or co-authored seventy books, including thirteen with Oxford University Press. As well as receiving numerous honorary doctorates and other awards, in 2006 he was created a Companion of the General Division of the Order of Australia (AC), the highest civil honour granted through the Australian government.