Kevin Cronin was born on 24 July 1925, the son of M J Cronin, a general practitioner. He was educated at the Beaumont School, Berkshire, and entered the London Hospital Medical College in 1942. After qualifying, he completed house jobs in neurosurgery under Douglas Northfield, chest medicine under Lloyd Rusby, and ear, nose and throat surgery. His later training in surgery was at the Radcliffe Infirmary. During this time he spent a research year at the University of Oregon, as a result of which he obtained his masters degree in surgery. He was appointed as consultant surgeon to Northampton General Hospital. He was an Arris and Gale lecturer of the College. He married Madeleine and they had a son (Philip) and daughter (Caroline). They had four grandchildren - Sam, Chloe, Christian and Rory. He died on 20 May 2005.