In 1838 Dr. Guy became Professor of Forensic Medicine in King’s College, London, and later Assistant-Physician to King’s College Hospital. He early directed his attention to statistics, and joined the Statistical Society in 1839, and became one of its honorary secretaries in 1843. 1844 he contributed important evidence before the Health of Towns Commission, on the state of the London printing-offices, and the consequent development of pulmonary consumption among printers. He co-operated in founding the Health of Towns Association, and has been incessantly occupied in public lectures, investigations, and writings, in calling attention to questions of sanitary reform. He has been notably concerned in the improvement of ventilation, the utilisation of sewage, the health of bakers and soldiers, hospital mortality, and many other like subjects. In 1873 he was President of the Statistical Society, and he has successively been Croonian, Lumleian, and Harveian Lecturer at the College of Physicians. His various publications and papers are too numerous to recount. We may, however, mention the “Principles of Forensic Medicine,” and successive editions of Hooper’s “Physicians’ Vade Mecum.” * * * * * Mr. JOHN SIMON, C.B., F.R.S., is one of the veterans of the present day in matters of public health, besides having the highest reputation as a surgeon and pathologist. Born in 1816, Mr. Simon was a student of King’s College, London, and was elected a fellow of the College of Surgeons in 1844. He was appointed in 1847 lecturer on Pathology at St. Thomas’s Hospital. His subsequent researches and writings, especially those on Inflammation, have proved his great fitness for the post. In 1850 he published a very original course of lectures on General Pathology, as conducive to the establishment of Rational Principles for the Diagnosis and Treatment of Disease. Mr. Simon’s career in connection with public health began with his being appointed the first Medical Officer of Health to the City of London. He was before long selected as medical adviser to the General Board of Health, and was thence transferred to the important post of medical officer to the Privy Council. In this capacity his labours, ably seconded by a crowd of zealous workers, have been of priceless value to the nation at large. The successive annual reports published by the Privy Council sufficiently attest this.