Born in Nese, Alzano Lombardo, within a family of Greek origins who had moved to Bergamo after the Ottoman conquest of Crete, he studied law and mathematics at the University of Padua. He joined the Military Academy of Modena and became Lieutenant. He served for two years in the Napoleonic militia, and in 1817 he joined the VenetianEngineers of Water and Streets Corp, dealing in particular with hydraulics; he worked on railways, tunnels and waterways, contributing significantly to the construction of many essential infrastructures, including the fortress of Osoppo in Friuli. In 1813 he fought the Germans but, after the Battle of Yütterbok, he became a prisoner. He escaped and returned to Italy where he retired to private life for two years. In 1817 he joined the "Corpo del Genio Civile" and in 1821 he was transferred to Milan. In 1825 he was called to Vienna where he was commissioned to design and direct the census. Tired of the excessive bureaucracy and therefore difficulties, he asked to be transferred to Venice in 1829. In 1840 he became a General Manager in Venice, and oversaw the works on the rivers Brenta, Bacchiglione, Adige, Tartaro-Canalbianco-Po di Levante, the drainage of several marshy areas near Verona and the construction of a dam in Malamocco, Venice. It also made Tartar and the White Canal. Because of his proved skills, he was also consulted about the regulation of the Danube and the marshes of the Tibisco area. He was a patriot and believed in the Italian unification, and he played an important role in the negotiation of the annexation of Venice to Piedmont. As a reward, he became deputy to the Subalpine Parliament and Minister of Public Works in the Savoy government. Having become almost blind, he was forced to leave his position in 1857. While he was in Turin, he promoted the railway development, with the aim of linking the Italian markets beyond the Alpine arc, working in particular on the design of the Fréjus Rail Tunnel. From 1855, he collaborated with a key role in designingthe Suez Canal, along with Luigi Negrelli. He died in Turin in 1869.
Works
Su la condizione idrografica della Maremma Veneta, Venezia, 1848.
Sulla ferrovia attraverso le alpi elvetiche, Torino 1863.
Postume publications
Carteggi di Pietro Paleocapa del 1848-49, a cura di P. Sambin, Venezia, 1952.