Camille Guérin, French veterinarian and bacteriologist (d. 1961)
Jean-Marie Camille Guérin (French: [ɡeʁɛ̃]; 22 December 1872 – 9 June 1961) was a French veterinarian, bacteriologist and immunologist who, together with Albert Calmette, developed the Bacillus Calmette-Guérin (BCG), a vaccine for immunization against tuberculosis.