Abstract

This article is devoted to an outline of the research and teaching activity of Professor Andrzej Jaczewski (1929–2020) at the Faculty of Education of the University of Warsaw. The author describes his commitment to lectures on school hygiene and extending the educational programme of educators to include sexology issues, as well as the creation of the Department of Biomedical Foundations of Development and Sexology at the Faculty of Education of the University of Warsaw. The author of the article presents Prof. Jaczewski’s publication achievements and his activity as vice-dean of the Faculty of Education, as well as his contribution to the organisation of cooperation with the University of Cologne. The text is enhanced with the author’s memories of Prof. Jaczewski from the 1980s, when the author was a student.