Pietro Amat di San Filippo (Cagliari, 22 October 1826 – Rome, February 15, 1895) was an Italian geographer, historian and bibliographer.
[2] He studied at the Barnabites High School in Bologna, then undertook a diplomatic career as a secretary of legation to the Holy See in 1851.
[3] Later he left diplomacy and became an officer of the Sardinian National Archive (Archivio di Stato) in his hometown.
Due to his interest and his publications in economics, he was appointed a secretary of the Ministry of Finance in Rome, where he ended his career.
Pietro Amat has given valuable contributions to three main lines of study: In general terms, he was in contact with contemporary cultural milieu[7] and his main legacy is in following a scientific method in his research, in which he was one among the first scholars: he based his studies on original, usually unpublished, documents.