Donald Gillies is professor emeritus of Philosophy of Science and Mathematics at University College London. He is the author of: Frege, Dedekind, and Peano on the Foundations of Arithmetic (Assen 1982); Revolutions in Mathematics (editor, Oxford 1992); Artificial Intelligence and Scientific Method (Italian translation, Milan 1998); Philosophical Theories of Probability (London 2000); Laws and Models in Science (editor, London 2004); Mathematical Reasoning and Heuristics (editor, with C. Cellucci, London 2005); and, How Should Research Be Organised? (London 2008).

Giulio Giorello insegna Filosofia della scienza all’Università degli Studi di Milano. Ha pubblicato, tra l’altro: Filosofia della scienza (Milano 1992); Pierre de Fermat (con C. Sinigaglia, Milano 1992); Giordano Bruno (con M. Ciliberto, Milano 2004); Prometeo, Ulisse, Gilgamesh. Figure del mito (Milano 2004).