- Jules Jean Baptiste Vin·cent [zhyl zhahn ba–teest van–sahn] /ʒül ʒɑ̃ baˈtist vɛ̃ˈsɑ̃/, 1870–1961, Belgian physiologist and bacteriologist: Nobel Prize in Medicine 1919.
- Jules (Jean Baptiste Vincent) (ʒyl). 1870–1961, Belgian bacteriologist and immunologist, who discovered complement. Nobel prize for physiology or medicine 1919
- Belgian bacteriologist. With French bacteriologist Octave Gengou (1875-1957), he developed (1900) the technique of complement fixation testing and discovered (1906) the agent of whooping cough. Bordet won a 1919 Nobel Prize for advances in immunology.