Eminent French veterinarian and researcher (1872–1961) who co-developed an effective vaccine against tuberculosis. Vintage ink signature, “Institut Pasteur, Paris, ‘Mieux vout prévenir guérir’ [Better to prevent than to heal], Prof. Guérin, 7/6/49,” on a cream 4.5 x 3 card with typed collector’s caption. In fine condition. R&R COA.
