The Turnstone

The Turnstone is a vivid and wide-ranging account of more than sixty years of travel, medical research and clinical practice. Geoffrey Dean was born in Wales in 1918 and trained as a doctor in Liverpool before serving with distinction as a medical officer in Bomber Command. After the war he moved to South Africa, where he lived with his family for the next twenty years. During this period Dean studied the epidemiology of porphyria, a disease that can cause paralysis; his book The Porphyrias was