From Wikipedia David Daniel Davis, M.D., F.R.C.P. (1777–1841) was a British physician. Born in Wales, he received his M.D. from the University of Glasgow in 1801. He set up his practice as a physician in Sheffield, living in Paradise Square from 1803 to 1812. In 1806 he translated Philippe Pinel's influential book Traité médico-philosophique sur l'aleniation mentale; ou la manie with the English title Treatise on Insanity. He then settled in London, and in 1813 was elected to the o