Francesco Mattesini, born in Arezzo (Italy) on April 14, 1936. He moved to Rome in July 1951. He served, as civilian employee, at the Italian Army General Staff, 4th Department, from 1959 to 2000. Collaborator of the Historical Offices of the Italian Military Navy and the Air Force Historical Office, for which 20 books and about 6’0 essays were produced. He is currently retired, always living in Rome. Mattesini is one of the most prepared and appreciated historians in Italy especially on the Second World War. His volumes are the result of a scientific approach to matter, research research and more research. Already the leading author of the Historical Office of the Navy, Mattesini together with the late Prof. Alberto Santoni are certainly among the best ever.