(dʒæˈkəʊbɪ) Sir Derek (George). born 1938, British actor
(Germanjaˈkoːbi) Karl Gustav Jacob (karl ˈɡʊstaf ˈjaːkɔp). 1804–51, German mathematician. Independently of N. H. Abel, he discovered elliptic functions (1829). He also made important contributions to the study of determinants and differential equations
German-born American physician who established a children's clinic in New York (1860) and is considered the founder of American pediatrics. His wife, Mary Corinna Putnam Jacobi (1842-1906), also a physician, helped expand opportunities for women in medical education.