What Townsend did next was something that Joseph Lister, despite years spent traveling the world, proving the source of infection and pleading with physicians to sterilize their hands and instruments, had been unable to prevent. As the president lay on the train station floor, one of the most germ-infested environments imaginable, Townsend inserted an unsterilized finger into the wound in his back, causing a small hemorrhage and almost certainly introducing an infection that was far more lethal than Guiteau’s bullet.
Dr. Smith Townsend, the first physician on the scene after President Garfield was shot. Dr. Lister discovered the source of infections, but was ignored by by doctors such as Townsend.