French bacteriologist who earned the 1928 Nobel Prize in Medicine for his identification of lice as the transmitter of epidemic typhus. ALS in French, signed “C. Nicolle,” one page both sides, 5.5 x 8.25, Institut Pasteur letterhead, April 17, 1926. Letter written to an associate. In part, “I probably won’t be able to see you in Tunis. Your kind letter made me really happy and I hope you’ll still be in Africa April 30th when I’ll be coming back. I would like to beg some gods to delay your departure to meet the young Phillippe, but I [don’t] know many gods.” In fine condition, with a bisecting horizontal fold and punch holes to left edge. R&R COA.