Joseph Lister

Joseph Lister, 1st Baron Lister (5 April 1827 – 10 February 1912) was an English surgeon, medical scientist, experimental pathologist and pioneer of antiseptic surgery and preventive healthcare. Lister revolutionised the craft of surgery by the use of close anatomical observation, in the same manner that John Hunter revolutionised the science of surgery. From a technical viewpoint, Lister was not an exceptional surgeon, but his research into bacteriology and infection in wounds revolutionised surgery throughout the world. Lister's contributions were four-fold. Firstly, as a surgeon at the Glasgow Royal Infirmary, he introduced carbolic acid (modern-day phenol) as a steriliser for surgical instruments, patients' skins, sutures, surgeons' hands, and wards, promoting the principle of antiseptics. Secondly, he researched the role of inflammation and tissue perfusion in the healing of wounds. Thirdly, he advanced diagnostic science by analysing specimens using microscopes. Fourthly, he devised strategies to increase the chances of survival after surgery. His most important contribution, however, was recognising that putrefaction in wounds is caused by germs, in connection to Louis Pasteur's then-novel germ theory of fermentation. Lister's work led to a reduction in post-operative infections and made surgery safer for patients, leading to him being distinguished as the "father of modern surgery".

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