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Giancarlo Ghirardi
Born (1935-10-28)28 October 1935[1]
"Milan, "Italy
Died 1 June 2018(2018-06-01) (aged 82)
"Grado, Italy
Alma mater "University of Milan
Known for "Ghirardi–Rimini–Weber theory
"Quantum mechanics foundations
Scientific career
Institutions "International School for Advanced Studies,
"University of Trieste

Giancarlo Ghirardi (28 October 1935 – 1 June 2018) was an "Italian "physicist and "emeritus professor of "theoretical physics at the "University of Trieste.

He is well known for the "Ghirardi–Rimini–Weber theory (GRW), which he proposed in 1985 together with Alberto Rimini and Tullio Weber,[2][3] and for his contributions to the foundations of "quantum mechanics. He independently rederived, in a referee report to Foundations of Physics, the "no-cloning theorem [4], before the works by "Wootters and "Zurek[5] and by "Dieks[6] in 1982, but after the actual first derivation by Park [7] in 1970.

His research interests related to a variety of topics of theoretical physics, but focused beginning in 1983 mainly on the foundations of quantum mechanics.[8]

Ghirardi was a member of the editorial board of "Foundations of Physics[9] and formerly of Studies in History and Philosophy of Modern Science. He was president of the Italian Society for the Foundations of Physics, of which he was one of the founding members.[10]

The President of the Province of "Trieste, Maria Teresa Bassa Poropat, conferred the Sigillo della Provincia di Trieste to Giancarlo Ghirardi for research and teaching, for his commitment to the promotion and development of physics in Trieste and for his intense and fruitful activity as the author of popular books and scientific publications.[11]

In 2017, he was awarded the Spirit of Salam prize for his extraordinary contributions to the development of the "International Centre for Theoretical Physics during its budding years, both at its scientific and organizational fronts.[12]


  1. ^ Prof. GianCarlo Ghirardi, Group of Quantum Mechanics in Trieste
  2. ^ Ghirardi, G.C., Rimini, A., and Weber, T. (1985). "A Model for a Unified Quantum Description of Macroscopic and Microscopic Systems". Quantum Probability and Applications, L. Accardi et al. (eds), Springer, Berlin. 
  3. ^ Ghirardi, G.C., Rimini, A., and Weber, T. (1986). "Unified dynamics for microscopic and macroscopic systems". Physical Review D. 34: 470. "Bibcode:1986PhRvD..34..470G. "doi:10.1103/PhysRevD.34.470. 
  4. ^ Ghirardi, G.C. (2013). "Entanglement, Nonlocality, Superluminal Signaling and Cloning". Advances in Quantum Mechanics, Bracken P. (ed), Intech: 565. 
  5. ^ Wootters, William; Zurek, Wojciech (1982). "A Single Quantum Cannot be Cloned". "Nature. 299: 802–803. "Bibcode:1982Natur.299..802W. "doi:10.1038/299802a0. 
  6. ^ Dieks, Dennis (1982). "Communication by EPR devices". "Physics Letters A. 92 (6): 271–272. "Bibcode:1982PhLA...92..271D. "doi:10.1016/0375-9601(82)90084-6. 
  7. ^ Park, James (1970). "The concept of transition in quantum mechanics". Foundations of Physics. 1: 23–33. "Bibcode:1970FoPh....1...23P. "doi:10.1007/BF00708652. 
  8. ^ Prof. GianCarlo Ghirardi, Group of Quantum Mechanics in Trieste (downloaded 2 January 2013)
  9. ^ Foundations of Physics, editorial board (downloaded 2 January 2013)
  10. ^ Giancarlo Ghirardi (in Italian)
  11. ^ ICTP Website News Item
  12. ^ https://www.ictp.it/about-ictp/media-centre/news/2017/1/spirit-salam-awards-2017.aspx

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