Nikolai Sergeyevich Korotkov (also romanized Korotkoff; Russian: ??????´? ?????´???? ???????´?) (26 February [O.S.
14 February] 1874 – 14 March 1920) was a Russian surgeon, a pioneer of 20th century vascular surgery, and the inventor of auscultatory technique for blood pressure measurement.
Author: Unknown Source: Shevchenko YL, Tsitlik JE, Korotkoff NS. 90th Anniversary of the development by Nikolai S. Korotkoff of the auscultatory method of measuring blood pressure. Circulation. Jul 15;94, 2, 116-8. 1996. PMID 8674166. License: PD-RusEmpire