HEWSON, Thomas Tickell, physician, born in London, England, 9 April. 1773; died in Philadelphia, 17 February, 1848. His father, the celebrated anatomist, William Hewson, died in 1774, and Thomas removed with his mother to the United States in 1786. He was graduated at the Philadelphia medical college in 1789, returned to London, and was house-surgeon in St. Bartholomew's hospital, afterward taking a course of medical lectures in Edinburgh. Returning to Philadelphia in 1796, he established himself in practice, was physician to the Walnut street prison in 1806-'18, and rendered valuable service during the epidemic of 1817-'18. He was censor and secretary of the College of physicians, Philadelphia, from 1802 till 1835, professor of comparative anatomy in 1816, and president from 1835 till his death. For many years he was surgeon to the Philadelphia almshouse, thirteen years physician to the Pennsylvania hospital, physician to the orphan asylum, and took an active part in the formation of the National pharmacopoeia. In 1822 he established a school of medicine in which he taught anatomy and practice. He was a member and officer of various medical societies, and translated Swediaur's" Treatise on Syphilis" (Philadelphia, 1815).--His son, Addinell, physician, born in Philadelphia, 22 November, 1828, was graduated at Jefferson medical college in 1850, studied in Paris, and in Dublin under Sir William Wilde, and, on his return to the United States, was appointed resident physician to the Pennsylvania hospital. He was visiting surgeon to the Episcopal hospital in 1852-'3, from 1853 till 1876 physician to Wills hospital, and since 1861 has filled that office in the Pennsylvania hospital. He edited Sir William Wilde's "Aural Surgery," at the author's request (Philadelphia, 1853); the American edition of Laurence's "Diseases of the Eye "; and, besides many professional papers, has published in book-form "The Use of Earth in Surgery" (Philadelphia, 1887).