Bulletin of Semashko National Research Institute of Public HealthBulletin of Semashko National Research Institute of Public Health2415-84102415-8429FSSBI «N.A. Semashko National Research Institute of Public Health»273410.25742/NRIPH.2024.01.018Научная статьяA prominent figure of Russian pediatrics Lyudmila Aleksandrovna IsaevaSarkisovArmen S.as.sar@mail.ruhttps://orcid.org/0000-0002-0059-2558N. A. Semashko National Research Institute of Public Health1603202428112312525042025Copyright © 2025,2025<p>Despite the significant contribution that L.A. Isaeva, a full member of the Academy of Medical Sciences of the USSR, made to the development of Russian pediatrics, her biography, scientific and pedagogical, clinical and social activities remain insufficiently studied. Based on archival research and a few literary publications, the main stages of the formation and scientific creativity of L.A. Isaeva at the 1st Moscow Medical Institute named after I.M. Sechenov are clarified and presented, priority areas of her research are highlighted. The main scientific achievements are indicated, first of all in the development of the problem of systemic connective tissue diseases (collagenoses) in childhood. In addition, the facets of L.A. Isaeva's diverse social activities have been clarified and marked.</p>Pediatricsmedical institutedepartmentclinic of children's diseaseslaboratorymedical departmentsystemic connective tissue diseasesbronchopulmonary diseasesendoscopyпедиатриямедицинский институткафедраклиника детских болезнейлабораториялечебное отделениесистемные заболевания соединительной тканибронхолегочные заболеванияэндоскопия1.Kakostikov P.F. A.A Kadyan. Moscow; 1972 (in Russian).2.3.Pirumova N.M. Zemskaya intelligentsia and its role in the public struggle. Moscow: «Nauka»; 1886 (in Russian).4.5.Zinoviev G.A. Treating doctor of UlyanovsA.A. Kadyan (to the 120th anniversary of his birth). Kazan Medical Journal. [Kazanskij medicinskij zhurnal]. 1969;(5):7—10 (in Russian).6.7.Kadyan A.A.Report on the surgical department for 1885. Bulletin of the Simbirsk Zemstvo. [Vestnik Simbirskogo zemstva]. 1887;(8):40—67 (in Russian).8.9.Egorysheva I.V. Botkin Commission. Problems of Social Hygiene, Public Health and History of Medicine. [Problemy social'noj gigieny, zdravoohranenija i istorii mediciny]. 2001;(1):51—53 (in Russian).10.11.Appendix to the Journals of the Commission on the Improvement of Sanitary Conditions and Reduction of Mortality in Russia, established under the Medical Council. St. Petersburg; 1886 (in Russian).12.13.Lazebnik L.B. S.P. Botkin as the founder of gerontological research in Russia (To the 175th anniversary of the birth of S.P.Botkin). Clinical gerontology. [Klinicheskaja gerontologija]. 2008;(1):3—7 (in Russian).14.15.Kadyan A.A. Population of St. Petersburg city almshouses: Materials for the study of old age according to the research made under the direction of S.P. Botkin in 1889. St. Petersburg; 1890 (in Russian).16.17.Kadyan A.A. Damage and surgical diseases of the intestines and mesentery. St. Petersburg; 1903 (in Russian).18.19.Kadyan A.A. Surgical expertise in the case of the murder of Yushchinsky. Physician's Gazette. [Vrachebnaja gazeta]. 1913;(50):1837 (in Russian).20.21.Arapov A. In memory of the unforgettable teacher Prof. A.A. Kadyan. Russian doctor. [Russkij vrach]. 1917;16(48—52):606 (in Russian).