Born at Leicester, 1 July 1909, fourth son and seventh of the eight children of Richard Marcus Jordan, leather merchant, afterwards of Weston-super-Mare, and E Jane King, his wife. He was educated at Weston-super-Mare and at the Bristol Medical School, graduating MB BCh at Bristol University in 1931 and taking the Conjoint qualification the same year. He was a resident at Southmead Hospital, Bristol, and served as house surgeon to A W Adams at the Bristol Royal Infirmary, and as house physician and senior resident medical officer at the Bristol Royal Hospital for Sick Women and Children. He then came to London and served as house surgeon and resident medical officer at the National Temperance Hospital and as clinical assistant at the Central London Throat and Ear Hospital, and also served as a ship's surgeon on voyages to the West Indies, Panama, and South America. Jordan took the Fellowship in 1934 and settled in general practice at Muswell Hill in partnership with P R Ingram and Maurice Coburn, living at Colgrain, Duke's Avenue, N10. He was surgeon to the Hornsey Central Hospital, where he attended casualties during the severe early stage of the Battle of Britain, August-September 1940. In October 1940 he was commissioned a captain in the RAMC and was later promoted major. He was stationed for a time in the Orkney Islands and saw active service as surgeon commanding officer of the 41st Field Surgical Unit in the invasion of Normandy. He died of wounds, received while operating at an advanced surgical centre. He was picked on 18 July 1944 to set up a special advanced surgical centre in a quarry on the Caen sector. For strategic reasons he did not display the Red Cross. After he had been operating for twelve hours the post was inadvertently dive-bombed by allied aircraft. Jordan received a severe brain injury and died on 19 July 1944. Jordan married on 15 June 1935 Maude Agnes (Mollie) Whalley, of Burrough Green, Newmarket, who survived him with a daughter. Publications: Origin and significance of tracheo-bronchial glandular tuberculosis. *Bristol med-chir J* 1930, 47, 225. Pathological fracture in gumma of tibia. *Brit med J* 1934, 1, 665.