Major Sir Ronald Ross, K.C.B., M.R.C.S., D.P.H., Hon. F.R.C.S., LL.D., Sc.D., M.D., F.R.S., professor of tropical sanitation, University of Liverpool and Liverpool School of Tropical Medicine; physician for tropical diseases, King's College Hospital; member of many sanitary committees; commenced special study of malaria in 1892 and later definitely traced the relations between malaria and mosquitoes; has since made tropical hygiene his life study and has conducted investigations of the highest importance in many parts of the world. He received the Nobel prize for his work in medicine in 1902.