Professor Lionel Smith Beale. M.B.Lond., F.R.S., Emeritus Professor of Medicine at King's College, London, and consulting physician to King's College Hospital, died yesterday at the age of 78. Professor Beale was born in London, the son of Mr. Lionel John Beale, M.R.C.S., and educated at King's College School and King's College, London. A year after taking his degree in medicine he established a private chemical and microscopical laboratory for teaching and original research, and in 1853, being then only 25 years of age, he was appointed professor of physiology and general and morbid anatomy at King's College. He afterwards held the chair of pathology, and finally that of the principle and practice of medicine, resigning the latter in 1896 after 43 years' of professorial work. For 40 years Professor Beale was physician to King's College Hospital, and the honours and appointments he received during his active career included the Baly medal in 1871, Croonian Lecturer to the Royal Society, 1865, Lumleian Lecturer at the Royal College of Physicians, 1875, president of the Royal Microscopical Society, 1879, and Government medical referee for England, 1891-1904. Professor Beale was the author of many professional and other publications, among the best known being "The Microscope in Medicine," "How to Work with the Microscope," "Protoplasm: Physical Law and Life," and "Slight Ailments and their Treatment." Professor Beale married Frances, daughter of Dr. Blakiston, F.R.S., St. Leonards-on-Sea. His son, Mr. Peyton T. B. Beale, is surgeon of King's College and Great Northern Central Hospitals. The funeral, which will be private, will take place at Weybridge Cemetery on Saturday.