Nina Karlovna Bari (19 Novemba 1901 - 15 Julayi 1961) wayeyisazi sezibalo saseSoviet esaziwa ngomsebenzi wakhe ochungechungeni lwe-trigonometric . UNina Bari wazalelwa eRussia ngomhlaka 19 Novemba 1901, indodakazi ka-Olga noKarl Adolfovich Bari, ongudokotela.Ngo-1918, waba ngomunye wabesifazane bokuqala ukwamukelwa eMnyangweni Wezemvelo Nezibalo eMoscow State University.Wathweswa iziqu ngo-1921 — eminyakeni emithathu nje kuphela ngemuva kokungena eyunivesithi. Ngemuva kokuthweswa iziqu, uBari waqala umsebenzi wakhe wokufundisa. Ufundise eMoscow Forestry Institute, eMoscow Polytechnic Institute, naseSverdlov Communist Institute .UBari wafaka isicelo futhi wathola okuwukuphela kobudlelwano bokucwaninga obukhokhelwe obunikezwe yi- Research Institute of Mathematics and Mechanics esanda kudalwa. Njengomfundi, uBari wayedonswa eqenjini eliphakeme elalibizwa ngeLuzitania — inhlangano engakahleleki yezemfundo nezenhlalo.Wafunda uchungechunge lwe-trigonometric nemisebenzi ngaphansi kokuqeqeshwa kukaNikolai Luzin, eba ngomunye wabafundi bakhe bezinkanyezi. Wethula imiphumela esemqoka yocwaningo lwakhe kuMoscow Mathematical Society ngo-1922 — owesifazane wokuqala ukukhuluma nomphakathi. Ngo-15 Julayi 1961, uBari wazibulala ngokweqa phambi kwesitimela esasiza eMoscow. Biography of Nina Karlovna Bari, by Giota Soublis, Agnes Scott College.