Abstract: Professor Gabriele De Rosa – a distinguished Italian historian and political activist. Related to the Italian People’s Party of a Christian Democratic character, created by Luigi Sturzo. In 1979-2006 Gabriele De Rosa was the President of the Luigi Sturzo Institute. He had responsible parliamentary positions as well as being an active historian: he gave lectures at the universities of Padua, Salerno and Rome. Author and editor of numerous publications. Connected with Poland. In the article he is also remembered as the co-creator, together with Jerzy Kłoczowski and Girolamo Arnaldi, of a Polish-Italian school in Rome, enabling young Polish academics to carry out research in Italy in the 1980s and 1990s.