1880: Dr. Arnauer Hensen

Dr. Armauer Hensen, a Norweigian microbiologist who discovered the bacterium that causes leprosy, having failed to grow the bacterium in a petri dish or any experimental animal, he tried to inoculate leprosy into the eye of a woman without her consent or knowledge. In 1880, she sued him in a Norwegian court and he was found liable for damages to her eye. (Experiments on Human Beings, JAMA, 1900, 34, 1358–59; Subjected to Science: Human Experimentation in America Before WWII by Susan Lederer, 1995; Where the Germs Are: A Scientific Safari by Nicholas Bakalar, 2003.)