THE death of Sir Andrew Balfour on Jan. 30 at the early age of fifty-seven years has deprived the world of one it can ill afford to lose. His remarkable knowledge of tropical medicine and hygiene, the result of years of practical experience in the field, research in the laboratory, and intensive study of the literature of the subject, had fitted him more than any other to be a leader and adviser in any movement concerned with the health of our great empire. Physically he was a powerfully built man of striking appearance, with open, clean-shaven face, searching blue eyes, and determined jaw; and these attributes, combined with a remarkable personality embodying unbounded energy, enthusiastic devotion to duty, absolute honesty of purpose, and an irresistible appeal, brought him not only to the high position he held in his profession, but also at the same time into the hearts of everyone who knew him. His solicitude for the welfare of all, both high and low, who worked with him, and the personal interest he took in the aspirations or difficulties, whether great or small, of anyone who came to consult him, endeared him to a host of friends and admirers. From his early days he threw himself with fiery zeal into all he undertook to do or say.