Edward Tyson
Edward Tyson (20 January 1651 – 1 August 1708) was a British scientist and physician, commonly regarded as the founder of modern comparative anatomy, which compares the anatomy between species.
John C. Boileau Grant
John Charles Boileau Grant (1886–1973) was a British-Canadian anatomist, who was the Chair of Anatomy at the University of Toronto Faculty of Medicine from 1930 to 1956. Grant is best known for his textbook "Grant's Atlas of Anatomy" and "Grant's Dissector" which is now in its 13th edition and used by medical students all over the world.