Ignatz Semmelweis

Ignatz Philipp Semmelweis (July 1, 1818 – August 13, 1865) was a Hungarian physician who made one of the most consequential discoveries in the history of medicine: that hand-washing could prevent childbed fever (puerperal fever), a leading cause of maternal mortality in the 19th century. Working at the Vienna General Hospital in the 1840s, Semmelweis observed that mortality rates were significantly lower in the midwife-staffed ward than in the physician-staffed ward. Through meticulous observation and experimentation, he deduced that physicians performing autopsies were transferring invisible cadaverous particles to pregnant patients during deliveries. When he instituted a policy requiring hand-washing with a chlorinated solution, maternal mortality plummeted from 18% to 1-2%. Despite the dramatic evidence, the medical establishment fiercely resisted his findings, ridiculing his germ theory ideas that contradicted prevailing miasma theory. Devastated by the rejection of his life-saving discovery, Semmelweis suffered a mental breakdown and was committed to a mental asylum, where he ironically died from an infection similar to the childbed fever he had fought to prevent. He is now recognized as a martyr of medical science and a harbinger of modern antiseptic and aseptic practices that transformed healthcare.