Ignaz Semmelweis
Ignaz Philipp Semmelweis (; ; 1 July 1818 – 13 August 1865) was a Hungarian physician and scientist of German descent who was an early pioneer of antiseptic procedures and was described as the "saviour of mothers". Postpartum infections, ...
discovered in 1847 that hand-wash with a solution of
chlorinated lime reduced the incidence of fatal