HAMILTON, ALLEN McLANE (1848-1919), American physician, was born in Brooklyn, N.Y., on Oct. 6, 1848. He graduated from the College of Physicians and Surgeons (Colum bia university) in 187o, and engaged in practice in New York city as a specialist in diseases of the mind and nervous system. In 1879 for an essay on "Diseases of the Lateral Columns of the Spinal Cord" he won the first prize given by the American Med ical Association. Later he took up more specifically the work of an alienist and medico-legal practitioner. He was present in an advisory capacity at over ioo murder trials where insanity was the issue, notably at the trials of the assassins of Presidents Garfield and McKinley and in the Thaw case. He was greatly influential in the reform of court methods in dealing with criminals of this type. He was visiting surgeon to the epileptic and para lytic hospital on Blackwell's island and from 19oo to 1903 pro fessor of mental diseases at Cornell Medical college. He died at Great Barrington, Mass., on Nov. 23, 1919.