Pietrino Manca (1927 – 25 January 2001) was an Italian physicist. He studied chemistry at the University of Cagliari under Aldo Iandelli, and graduated in 1951. He later became a professor of the science of materials at the university, and head of its department of physics. He wrote a paper in 1961 describing the relation between gap energy and mean bond energy in semiconductors, later called "Manca's relation". He was nominated for a Nobel Prize in 1987. He died in Cagliari on 25 January 2001.
References Franco Meloni (2001). Ricordo di Pietrino Manca (in Italian). Il Nuovo Saggiatore. Accessed January 2016.
Pietro Zannoni (6 February 2001). Pietrino Manca: Calangianus ricorda il suo grande scienziato (in Italian). La Nuova Sardegna. Accessed January 2016.