Memorial Statement for Professor James Nathan Frost, D.V.M. (1885-1949) who was Instructor (1908), Assistant Professor (1913), and Professor (1918) of Surgery for 42 years at the New York State Veterinary College. He also served as Acting Head (1916) of the Department of Surgery, Director of the Surgical Clinic and Acting Superintendent (1918) of the Ambulatory Clinic. With Dr. W. L. Williams, he was "involved in establishing the first Ambulatory Clinic in this country." In addition to surgical teaching and refining surgical techniques, Dr. Frost was an expert on the diagnosis and treatment of lameness in all breeds of light horses by using corrective shoeing and was frequently called upon "to investigate unusual problems and outbreaks of disease in large animals." The memorial statements contained herein were prepared by the Office of the Dean of the University Faculty of Cornell University to honor its faculty for their service to the university.