After a period of training in research funded by a CNR grant (section Logic and Mathematics), GIULIO GIORELLO (Milano 1945) took up teaching positions in the Faculty of Engineering of the University of Pavia, in the faculty of “Philosophy and Humanities” of the University of Milan and in the Science Faculty of the University of Catania. After being appointed full professor of Foundations of Mathematics in the University of Catania, he has been since the academic year 1978-79 full professor of Philosophy of Science in the University of Milan. He is member of the editorial board of several journals, such as Rivista di Storia della Scienza, Prometeo, Nuova Civiltà delle Macchine. On 29 September 2000 the Italian President Carlo Azeglio Ciampi awarded him the title of "Benemerito della scienza e della cultura". Since 2002 he has been President of Società Italiana di Logica e Filosofia delle Scienze. He has published several books, including (with S. Morini), Parabole e catastrofi. Intervista a René Thom su matematica, scienza e filosofia (Milano 1980; tradotto in francese, portoghese, polacco); Filosofia della scienza (Milano, 1992); (with D. Gillies), La filosofia della scienza nel XX secolo (Roma-Bari 1995), Prometeo, Ulisse, Gilgameš. Figure del mito (Milano 2004), Di nessuna chiesa. La libertà del laico (Milano 2005).