[Remembering the scientific career of Professor Jozef Karol Kostrzewski, patron of the infectious diseases clinic in Krakow on his 120th birthday].

Presented is the scientific career and reflections on the life and work of Professor Jozef Kostrzewski. He was chief of the Infectious diseases Clinic in Krakow and the author of many new opinions on preventive vaccinations and some diseases, particularly tetanus. For many years he was the editor-in-chief and president of the editorial committee for Przeglad Lekarski. In January, 2003 it was the 120th anniversary of his birthday, who is a patron of the Department of Infectious Diseases in Krakow.