French bacteriologist (1866-1936) who received the Nobel Prize in Medicine for his identification of lice as the transmitter of epidemic typhus Rare ALS in French, signed “C. Nicolle,” one page, 5.25 x 8.25, Institut Pasteur de Tunis letterhead, January 15, 1929. Untranslated handwritten letter from the Pasteur Institute in Tunis, where he served as director from 1903 until his death. In fine condition.