1 page, 5.75 x 4.5 inches, Cordoba, October 10, 1927, written in Italian, sending his wishes for good success to a colleague and adding that his hard work will bring about many accomplishments. Sanarelli has mounted an image of himself to the letter, measuring 3.75 x 2.5 inches. Fine condition.
Italian physician and pioneer bacteriologist who spent years trying to determine the cause of yellow fever. In 1897 he published a thesis claiming to have discovered the yellow fever bacillus but was proven wrong six years later when Dr. Walter Reed linked the disease to mosquitoes.