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
Jacobi in American English
(dʒəˈkoubi, for 2 also German jɑːˈkoubi)
noun
1.
Abraham 1830–1919, U.S. pediatrician, born in Germany
2.
Karl Gustav Jakob (kɑːʀl ˈɡustɑːf ˈjɑːkɔp) 1804–51, German mathematician
3.
Mary Corinna (Putnam) 1842–1906, U.S. physician (wife of Abraham Jacobi)