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'''Lewis Albert Sayre''' (February 29, 1820 – September 21, 1900) was a leading American physician and orthopedic surgeon of the 19th century. Sayre was a principal founder of the [https://archives.med.nyu.edu/collections/bellevue-hospital-medical-college-guide-records Bellevue Hospital Medical College] and of the [https://www.ama-assn.org/ American Medical Association], of which he was elected vice-president in 1866, and president in 1880.