Born 18 Jan 1868; educated Tavistock Grammar School, Devon County School, and Plymouth College; entered St Mary's Hospital Medical School, London, 1886; FRCS and MB, BS (London), 1892; entered Indian Medical Service, 1893; MD (London), 1897; MRCP, 1898; on return to India, lent to the veterinary department for research, Mktesar, where he made important discoveries on the control of rinderpest in cattle by inoculation and on transmission of equine trypanosomiasis (surra) in horses and camels; posted to the Bengal civil medical department, Calcutta, 1900; Professor of Pathology, Medical College Calcutta, 1906; undertook research on the effects of antimony on the parasite of kala-azar, sea snake venom, and the effects of emetine on amoebic dysentery; also introduced major improvements in treatment of amoebic abscess of the liver by aseptic aspiration, and in cholera by the intravenous infusion of sterile solution of blood salts (known as 'Rogers Fluid'); investigated efficacy of chaulmoogra oil on leprosy and encouraged research into a cure for leprosy; instrumental in foundation of the Calcutta School of Tropical Medicine, and in foundation of the British Empire Leprosy Relief Association, 1923; knighted, 1914; elected Fellow of the Royal Society, 1916; left India, 1920; retired from Indian Medical Service, 1921; appointed lecturer at the London School of Tropical Medicine; appointed member of the India Office Medical Board, 1922, and its President, 1928; Secretary of the Research Defence Society; retired and given honorary rank of Major General, 1933; President Royal Society of Tropical Medicine, 1933-1935. Selected publications: Fevers in the Tropics (1907); Cholera and its treatment (1911); Bowel diseases in the Tropics (1921); Leprosy with Ernest Muir (1925); Recent Advances in Tropical Medicine (1928); Tropical Medicine with JWD Megaw (1930); Happy Toil (1950), numerous scientific papers in medical journals and Royal Society publications on fevers, snake venoms, liver abscesses, tuberculosis, leprosy; kala-azar, cholera and dysenteries.
From the guide to the Papers of Rogers, Major General Sir Leonard (1868-1962), 1889-1957, (London School of Hygiene & Tropical Medicine)
