[Arkady Mihailovich Merkov (1899-1971): to the 125th Anniversary].

The article takes up scientific, teaching and organizational activities of Arkady Mikhailovich Merkov, professor and doctor of medical sciences. A. M. Merkov is prominent specialist in the field of social hygiene and health care organization. He is author of about 200 works, including 23 monographs devoted to sanitary and demographic statistics and statistics of malignant neoplasms.