Nikolay Ivanovich Pirogov (25 November [O.S. 13 November] 1810 – 5 December [O.S. 23 November] 1881) was a prominent Russian scientist, medical doctor, pedagogue, public figure, and corresponding member of the Russian Academy of Sciences (1847).

He is considered to be the founder of field surgery, and was one of the first surgeons in Europe to use ether as an anaesthetic. He was the first surgeon to use anaesthesia in a field operation (1847), invented various kinds of surgical operations, and developed his own technique of using plaster casts to treat fractured bones. He is one of the most widely recognized Russian physicians.

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