John Bryden (1932-2012) was Public health consultant in Glasgow. Scotland. John Bryden graduated in medicine at Glasgow University in 1956 and after completing his national service worked in orthopedics and became a GP covering Mosspark and Govan. An early interest in optical character recognition and computer programming led to a three-year fellowship in administrative medicine and a diploma in Social medicine from Edinburgh University. In his final year he was on the commissioning team for Woodside Health Center and set up its computerized patient index, improving preventive medicine.