Arturo Sangalli

Piergiorgio Odifreddi (born 13 July 1950, in Cuneo) is an Italian mathematician, logician, scholar of the history of science, and popular science writer and essayist, especially on philosophical atheism as a member of the Italian Union of Rationalist Atheists and Agnostics. He is philosophically and politically near to Bertrand Russell and Noam Chomsky.