Joseph Lister
/ˌdʒəʊzəf ˈlɪstə(r)/, /ˌdʒəʊsəf ˈlɪstə(r)/
/ˌdʒəʊzəf ˈlɪstər/, /ˌdʒəʊsəf ˈlɪstər/
- (1827-1912) an English doctor who is best known for introducing the antiseptic system (= a way of preventing infection during medical operations by keeping things very clean and using a spray of a special acid). He was President of the Royal Society (1895-1900) and was made a baron in 1897.