M. Clement Hall, M.D., Prometheus Books (IMAGE) Prometheus Books Caption M. Clement Hall, MD (Toronto, Ontario, Canada), now retired, was the director of continuing education in the emergency department of Scarborough Hospital. He is the author of "Trauma Surgeon," among numerous other works. Credit Prometheus Books Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.