sentences:  He became physician to the Hospital for Epilepsy and Paralysis, but gained no great amount of practice, probably owing to is retired habits, and his having published no book by which the public could judge of his work.He died on 25 January 1880 of phthisis.Clarke was the first to establish the location of the dorsal nucleus of the spinal cord, calling it "posterior vesicular columns", and described the nucleus intermediolateralis.