[The becoming and development of the academic subject and scientific discipline "public health and health care organization" (to the centenary of the academician Yu. P. Lisitsyn Chair of Public Health and Health Care). Report I (beginning of XX century - 1963)].

The article presents analysis of becoming of academic subject and scientific discipline "Public Health and Health Care Organization" in Russia from beginning of the 20th century to 1963. The special attention was paid to the role in their becoming and development that played the Chair of Public Health and Health Care Organization of the Pirogov Russian National Research Medical University that is celebrating its centenary in 2023-2024 academic year. The contribution into this process of its prominent scientists and heads is considered.