Dr Colin Bull, geophysicist and glaciologist, was a senior lecturer in the Victoria University Physics Department at the time of his expedition to the Dry Valleys. He later became the Director of the Institute of Polar Studies (now the Byrd Polar Research Centre) at The Ohio State University 1965-69, and was Dean of the College of Math and Physical Sciences there from 1972 to 1986. Since retirement he has co-edited a biography of Sir Charles Wright, and written an account of his 1951 Birmingham University Spitsbergen expedition, Innocents in the Arctic (Fairbanks: University of Alaska Press, 2005). He has also acted as a guide and lecturer on Antarctic cruises. Bull Pass in Antarctica is named after him.