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John P. Gray. Courtesy of the National Library of Medicine (B013530).


Gray, John Purdue (06 August 1825–29 November 1886), physician, alienist, and asylum superintendent, was born in Half Moon, Pennsylvania, the son of Peter D. Gray, a Methodist minister and farmer, and Elizabeth Purdue. He received his early education at Bellefonte Academy and Dickinson College, from which he graduated with an A.M. in 1846. He studied medicine at the University of Pennsylvania, graduating in 1849 and immediately becoming resident physician at Blockley Hospital in Philadelphia....