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All articles starting with P

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Pietro Lombardi

Pietro Lombardi (1922–2011), Italian Greco-Roman wrestler from Bari; won flyweight (52 kg) gold at London 1948 beating Kenan Olcay, third Italian Olympic wrestling champion, also world bronze 1950 and 1955 and 10 Italian titles.

Pietro Longhi

Pietro Longhi, born Pietro Falca (1701 or 1702 to 1785), was a Venetian Rococo painter best known for small genre scenes of everyday Venetian life.

Pietro Lorenzetti

Pietro Lorenzetti (c. 1280, Siena – probably 1348) was an Italian painter of the Sienese school and elder brother of Ambrogio, whose Passion cycle at Assisi is among the major achievements of fourteenth-century Italian painting.

Pietro Luigi Galletti

Pietro Luigi Galletti (1724–1790) was an Italian Benedictine historian and archaeologist, Latin writer of the Vatican Library and titular Bishop of Cyrene, first to locate Capena and Gabi.

Pietro Mascagni

Pietro Mascagni (1863–1945), Italian verismo opera composer and conductor from Livorno; won the Sonzogno competition with Cavalleria rusticana (1890), later wrote Iris, Isabeau, and Il Piccolo Marat.

Pietro Mennea

Pietro Mennea (Pietro Paolo Mennea), Italian sprinter (1952–2013), 1980 Olympic 200 m champion and 19.72 world record holder from 1979 to 1996, still the European record.

Pietro Metastasio

Pietro Metastasio, born Pietro Trapassi (1698–1782), was an Italian poet and librettist whose opera seria libretti were set by at least 300 composers.

Pietro Paolo Vergerio

Pietro Paolo Vergerio, called the Younger, was an Italian jurist and bishop of Capodistria who left the Catholic Church in 1549 and became a Protestant pastor and polemicist.

Pietro Parolin

Cardinal Pietro Parolin (born 1955, Schiavon, Italy), Vatican Secretary of State since 15 October 2013 under Francis and Leo XIV; former nuncio to Venezuela, architect of the Vatican-China bishops agreement, 2025 papal contender.

Pietro Pellegri

Pietro Pellegri, born 2001 in Genoa, Italian striker for Torino FC; joint-youngest Serie A debutant at 15 years 280 days, youngest double scorer, once the most expensive 16-year-old (Monaco, 2018).

Pietro Perona

Pietro Perona is a computer vision researcher and the Allen E. Puckett Professor of Electrical Engineering at Caltech, best known for the anisotropic diffusion equation for filtering image noise.

Pietro Perugino

Pietro Perugino (Pietro Vannucci, c. 1450–1523), Umbrian Renaissance painter of the Sistine Chapel's Delivery of the Keys, master of workshops in Florence and Perugia and teacher of Raphael, called Italy's best painter around 1500.

Pietro Piller Cottrer

Pietro Piller Cottrer, born 1974 in Pieve di Cadore, is a retired Italian cross-country skier, Olympic relay gold medalist at Torino 2006, world 15 km champion at Oberstdorf 2005, and 2009 distance World Cup winner.

Pietro Rava

Pietro Rava (1916-2006), Italian left back for Juventus and Italy; 1936 Olympic gold and 1938 World Cup winner with Alfredo Foni; 30 caps, 303 Juventus games, 1949-50 scudetto; last survivor of the 1938 squad.

Pietro Riario

Pietro Riario (1445–1474) was an Italian Franciscan made cardinal by his uncle Pope Sixtus IV in 1471, famed for luxury and earning over 60,000 florins a year.

Pietro Sarubbi

Pietro Sarubbi (born 1961, Milan) is an Italian actor, director, and writer, also credited as Pedro Sarubbi, known for Barabbas in The Passion of the Christ (2004) and Velisarios in Captain Corelli's Mandolin (2001), later a Catholic author and monologue performer.

Pietro Sighel

Pietro Sighel is an Italian short track speed skater who won Olympic gold in the mixed relay at Milano Cortina 2026 and the 500 m world title in Seoul in 2023.

Pietro Speciale

Pietro Speciale (1876–1945), Palermo lawyer and Italian fencer, first Sicilian Olympic participant and medalist: silver in individual foil at Stockholm 1912, gold in team foil at Antwerp 1920.

Pietro Tacchini

Pietro Tacchini (1838–1905) was an Italian astronomer who led solar spectroscopy at Palermo and Rome, joined seven eclipse expeditions, and founded the Società degli Spettroscopisti Italiani.

Pietro Tullio

Pietro Tullio (1881–1941) was an Italian physiologist who directed the Laboratory of Experimental Physiology in Bologna and gave his name to the Tullio phenomenon, sound-induced vertigo.

Pietro Ubaldi

Pietro Ubaldi (1886–1972) was an Italian spiritualist and reincarnationist philosopher from Foligno, Umbria, who wrote 24 volumes between 1931 and 1971 and spent his last twenty years in Brazil.

Pietroasa de Jos

Pietroasa de Jos is a former commune at the foot of Istrița hill in Buzău County, Romania, united with Pietroasa de Sus in 1938 to form Pietroasele.

Piety

Piety is a religious disposition involving reverence toward God or the gods and its outward practice; in older Western usage it also covers dutiful conduct toward parents and country.

Pieve Socana

Pieve a Socana (Pieve di Sant'Antonino a Socana), Castel Focognano, Casentino, Tuscany: a Romanesque parish church built over an Etruscan sanctuary with a 5th-century BC sandstone sacrificial altar and temple remains.

Piezo family

Piezo family: mechanosensitive ion channels Piezo1 and Piezo2, identified in 2010 (Nobel Prize 2021), huge trimeric propeller-shaped cation channels for touch, proprioception, blood flow, and red cell hydration, with mutation-linked diseases.

Piezo-phototronic effect

The piezo-phototronic effect, a three-way coupling of piezoelectricity, semiconducting, and photoexcitation properties, was coined by Zhong Lin Wang in 2010 to improve optoelectronic devices like photodetectors, solar cells, and LEDs.

PIEZO1

PIEZO1 (FAM38A) is a trimeric, calcium-permeable mechanosensitive cation channel discovered in 2010 by Patapoutian, named from Greek piesi (pressure); it senses membrane tension in blood cells, endothelium, and lymphatics, and its mutations cause xerocytosis and lymphatic dysplasia.

Piezoelectric actuator

A piezoelectric actuator converts electrical energy into precise mechanical movement via the inverse piezoelectric effect, usually in PZT ceramics, achieving subnanometer positioning and microsecond response.

Piezoelectric bimorph

A piezoelectric bimorph is a bending actuator of two bonded piezoelectric layers that flex oppositely under voltage, converting small strain into large tip deflection for microrobots and sensors.

Piezoelectric biomaterials

Piezoelectric biomaterials are biocompatible materials that generate electrical charges under mechanical stress without external power, studied for tissue regeneration, wound healing, biosensing, drug delivery, and antibacterial therapy.