Alexander Leslie Blackwood
Dr A L Blackwood graduated from Hahnemann Medical College, Chicago, in 1888. He attended the New York Post-Graduate School in 1889 and John Hopkins School in 1901, after which he practiced in Chicago, Illinois. He was Professor of General Medicine and Senior Professor of Physiology in the Hahnemann Medical College, Chicago, and Attending Physician to the Hahnemann Hospital, Chicago. Dr Blackwood was a member of the American Institute of Homeopathy and Illinois state homeopathic society. He authored Diseases of the Heart (1901) and A Manual of Materia Medica, Therapeutics and Pharmacology.