William Hanna Thomson

William Hanna Thomson was an American physician and Christian writer. Thomson was born in Beirut. He was the son of missionary William McClure Thomson. He was educated in the United States and obtained his B.A. from Wabash College (1850), M.D. from Albany College (1859), M.A. from Yale University (1861) and LL. D. from New York University (1885).

Thomson was assistant physician at Quarantine Hospital in New York and physician to the Charity Hospital. He was a consulting physician to Roosevelt Hospital and Bellevue Hospital. He was Professor of Medicine at New York University Medical College. Thomson was a member of the New York Neurological Society. He was President of the New York Academy of Medicine during 1899–1900.

His book Life, Death and Immortality (1911), defended Christian immortality.