Anatomy - Galen
Anatomy - Vesalius
Anaesthetics - Humphrey Davy
Anaesthetics - Horace Wells
Anaesthetics - William Morton
Anaesthetics - James Simson
Anaesthetics - John Snow
Anaesthetics - Karl Koller
Antiseptics - Ignaz Semmelweis
Antiseptics - Joseph Lister
Blood Loss - Landsteiner
Blood Loss - Lewisohn