David Bonar Mackie was a consultant general surgeon in Salisbury, Wiltshire. His parents David Taylor Mackie and Mary Gray née Chittick were Scottish. His father was a GP in Aberdour, Fife, and then moved to a general practice in Exeter, where Bonar was born in 1936. Bonar was educated at Sherborne School and Pembroke College, Cambridge, going on to the Middlesex Hospital for his clinical studies. After house appointments he completed surgical registrar jobs at the Middlesex and Central Middlesex Hospitals, working for, among others, Cecil Murray, Leslie LeQuesne and Peter Riddle. In 1969 he won a Fulbright scholarship to the University of Mississippi. He was appointed as a consultant to the Salisbury District Hospitals in 1972. There he developed a short stay ward, and breast surgery and specialised urology services. In 1964 he married Jennifer Bland. They had three children, one of whom is a dental surgeon. A keen sportsman, Bonar particularly enjoyed golf and racing. He was medical officer to the Salisbury race course and owned, with friends, several more or less successful horses. He died on 25 January 2005, after a prolonged and slowly deteriorating Pick’s disease.