Mary Gage Day

Mary Gage Day was an American physician and medical writer. She was affiliated with the Michigan State Public School for Homeless Children, Benedictine Sanitarium and Hospital, Kingston City Hospital, Ulster County Tuberculosis Hospital, Benedictine Training School for Nurses, and the New York State Department of Health. Day published several papers on Locoweed, including two articles in the New York Medical Journal, from which the definition of "Loco Disease" was created in Frank Pierce Foster's New Medical Dictionary.