Physicists and astronomers

Gian Carlo Wick

Gian Carlo Wick (1909–1992) was an Italian theoretical physicist, born and died in Turin, whose 1950 Wick theorem made practical perturbative calculations in quantum field theory possible.

Gian Francesco Giudice

Gian Francesco Giudice, born in Padua in 1961, is an Italian theoretical physicist who heads the Theoretical Physics Department at CERN and is known for work on supersymmetry and naturalness.

Giancarlo Ghirardi

Giancarlo Ghirardi (1935–2018) was an Italian theoretical physicist who taught for 42 years at the University of Trieste and co-authored the GRW model, in which wave functions collapse spontaneously.

Gianluigi Ciovati is an accelerator physicist at Jefferson Lab who studies superconducting radiofrequency cavities, received a 2009 PECASE award, and designs compact accelerators for cleaning wastewater.

Gilbert George Lonzarich

Gilbert George Lonzarich is a physicist at the Cavendish Laboratory in Cambridge whose 1994 observation of pressure-induced superconductivity in CeIn3 gave the first strong evidence that magnetic fluctuations can mediate superconducting pairing.

Gilles Holst

Gilles Holst (1886–1968) was a Dutch physicist who took part in the 1911 Leiden discovery of superconductivity and founded Philips' NatLab, pioneering industrial research in the Netherlands.

Giorgio Bellettini

Giorgio Bellettini is an Italian experimental particle physicist who helped found the CDF experiment at Fermilab and was co-spokesperson when the top quark was discovered in 1995.

Giorgio Parisi

Giorgio Parisi is an Italian theoretical physicist at Sapienza University of Rome, awarded half of the 2021 Nobel Prize in Physics for work on spin glasses.

Giovanni Amelino-Camelia

Giovanni Amelino-Camelia, born 1965 in Naples, is an Italian quantum-gravity physicist at the University of Naples Federico II who proposed doubly special relativity and helped establish quantum-gravity phenomenology.

Giovanni Inghirami

Giovanni Inghirami (1779–1851) was an Italian Piarist priest, astronomer, and cartographer who directed Florence's Osservatorio Ximeniano and produced the first geometric map of the Grand Duchy of Tuscany.

Giovanni Jona-Lasinio

Giovanni Jona-Lasinio, born 1932 in Florence, is an Italian theoretical physicist at Sapienza University of Rome known for the Nambu–Jona-Lasinio model of spontaneous symmetry breaking and the Boltzmann Medal.

Giovanni Plana

Giovanni Plana (1781–1864) was an Italian astronomer and mathematician who held the chair of astronomy at the University of Turin. He is noted for his summation formula.

Giovanni Schiaparelli

Giovanni Schiaparelli (1835–1910) was an Italian astronomer and director of the Brera Observatory in Milan whose 1877 Mars observations introduced the canali and Martian nomenclature still in use.

Giulia Galli

Giulia Galli is a condensed matter physicist known for first-principles simulations of solids and liquids; she is a University of Chicago professor and directs MICCoM at Argonne.

Giulio Cerullo

Giulio Cerullo (born 1965) is an Italian physicist and full professor at the Politecnico di Milano, known for inventing the non-collinear optical parametric amplifier producing 5-femtosecond light pulses.

Giuseppe Gigli

Giuseppe Gigli (born 1970 in Rome) is an Italian physicist and nanotechnologist, full professor at the University of Salento and founder of the CNR Institute of Nanotechnology in 2015.

Giuseppe Marrucci

Giuseppe (Pino) Marrucci, born 1937 in Naples, is an Italian chemical engineer at the Università di Napoli Federico II known for reshaping the theory of entangled polymer dynamics.

Giuseppe Occhialini

Giuseppe Occhialini, known to colleagues as Beppo, was an Italian experimental physicist who helped discover the positron's pair production in cosmic rays and, in 1947, the charged pion.

Giuseppe Sansone

Giuseppe Sansone (born 1977) is an Italian physicist working on isolated attosecond pulses, and full professor of experimental physics at the University of Freiburg in Germany since 2016.

Giuseppe Vaiana

Giuseppe Vaiana (died 1991) was an Italian astrophysicist who led solar and stellar X-ray astronomy at AS&E, directed Skylab's S-054 telescope, and rebuilt the Palermo Observatory.

Oct 22, 2026

Gjon Gazulli

Gjon Gazulli is the name of two notable Albanians: a 15th-century Dominican astronomer and diplomat of Ragusa, and a priest martyred in 1927 and beatified in 2024.

Glenn H. Fredrickson

Glenn H. Fredrickson is an American soft matter theorist and Distinguished Professor at UC Santa Barbara, known for pioneering field-theoretic simulation of self-assembling block copolymers.

Glenn S. Orton

Glenn S. Orton is an American planetary scientist at the Jet Propulsion Laboratory, where since 1977 he has studied the atmospheres of the outer planets.

Glenn van de Ven

Glenn van de Ven is a Dutch astronomer known for dynamical modeling of galaxies and the CALIFA survey, and a professor at the University of Vienna since 2019.

Glennys Farrar

Glennys Farrar is an American theoretical physicist at New York University, known for 1973 scaling laws showing quarks are physically present in matter and for dark matter models.

Goetz Oertel

Goetz Oertel, born 1934, is a German-born American solar physicist who served as president of AURA from the mid-1980s to 1999, overseeing Hubble and Gemini.

Goki Eda

Goki Eda (枝五紀) is a Japan-born physicist at the National University of Singapore known for research on atomically thin two-dimensional materials and exciton physics.

Göran Lindblad (theoretical physicist)

Göran Lindblad (1940–2022) was a Swedish theoretical physicist at KTH Royal Institute of Technology who derived the Lindblad equation, the master equation for Markovian open quantum systems.

Gordon Baym

Gordon Baym is an American theoretical physicist at the University of Illinois Urbana-Champaign since 1963, known for neutron-star matter, quantum fluids, and the Kadanoff–Baym formalism, and winner of the Bethe and Onsager prizes.