Andreas Vesalius, the founding of modern medicine -- Ambroise Pare, the key to modern surgery -- Edward Jenner, the conquest of smallpox -- Rene Theophile Laennec, the science of diagnosis -- William Morton, the discoveryof Anesthesia -- Louis Pasteur, the battle against bacteria -- Joseph Lister, the introduction of antiseptic surgery -- Robert Koch, the search for disease germs --Frederick Banting, the control of diabetes -- Alexander Fleming, the discovery of penicillin -- Conclusion, medical research and the future.