Ignaz Philipp Semmelweis, 1818-1865

Ignaz Semmelweis saved the lives of thousands of women decades before Lister discovered the role of germs in disease. In fact, contrary to how it's taught in most science courses, infection was a known cause of disease and death centuries before Lister identified the role of germs.

The University of Houston's College of Engineering produced a great short (3:24) radio feature on Semmelweis, on how solid epidemiological data may be contradicted by a generation of physicians, even as physicians continue to kill.