Wieslaw Magdzik in 1955 completed his medical studies in the Sanitary--Hygienic Department of Faculty of Medicine, Medical University of Warsaw. At the recommendation of Dr. Jan Kostrzewski, was hired in the Department of Epidemiology (2.11.1955). When working in the Department he completed the second degree of specialization in epidemiology and the first drgree of infectious diseases and also obtained doctoral degree in medical science. Head of his specialization and supervisor of dissertation was prof. Dr. Jan Kostrzewski. In 1970 the Scientific Council of the PZH awarded him a Ph.D. degree. In 1982 he received the title of associate professor and in 1988 the full professorship of medical science. At PZH he worked until 2002, to his retirement, occupying the positions: Head of the Department of Epidemiology (1979-2002), Director of PZH (1981-1990). Periodically, during the years 1972-1978, he worked in the Ministry of Health and Human Services as director of the Department of Sanitary Inspection. He participated the fight against smallpox in India, he served as a temporary adviser for the control of communicable diseases in the WHO regional office in Copenhagen, then in New Delhi. He published over 240 scientific papers. He has supervised eight doctoral theses, has been honored with many decorations and medals, among which are: the Commander's Cross of the Polonia Restituta (1998), the Order of the Bifurcated Needle (WHO, 1976), the badge ,,For Merits to the Kielce region" (1985).