Addison, Thomas,1793–1860, English physician, b. near Newcastle, grad. Univ. of Edinburgh (M.D., 1815). In 1837 he became a physician at Guy's Hospital, London, where he conducted important research on pneumonia, tuberculosis, and other diseases. He was the first to recognize (1855) the disease of the adrenal glands that later became known as Addison's disease, and he is equally famous for his description of pernicious anemia.
