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'''Bernard Paul Gregory'''<ref>{{Cite web |title=Bernard Paul Gregory {{!}} CERN |url=https://home.web.cern.ch/about/who-we-are/our-people/biographies/bernard-paul-gregory |access-date=2026-02-06 |website=home.web.cern.ch}}</ref> (19 January 1919 – 24 December 1977)<ref name="CVBG">{{Cite journal|url=http://www.annales.org/archives/x/gregory.html |title=Biographie de Bernard Grégory |journal=La Jaune et la Rouge: Revue des anciens élèves de l'École polytechnique (X) |date=May 1978 |accessdate=2 September 2015 |url-status=dead |archiveurl=https://web.archive.org/web/20150629175359/http://www.annales.org/archives/x/gregory.html |archivedate=June 29, 2015 }}</ref><ref>{{cite journal|title=Tribute to Professor Gregory|journal=CERN Courier|date=December 1970|volume=10|issue=12|page=378|url=https://cds.cern.ch/record/1729077}}</ref><ref name="obituary">{{cite journal|title=People and things: Bernard Gregory|journal=CERN Courier|date=February 1978|volume=18|issue=1–2|page=27|url=https://cds.cern.ch/record/1730269}}</ref> was a prominent French [[physicist]] and director-general of [[CERN]].<ref>{{Cite journal|url = https://cds.cern.ch/record/133648|title = The 1979 Bernard Gregory lectures|accessdate = 1 September 2015|journal = CERN Report 80-03|publisher = CERN|year = 1980|series = CERN Yellow Reports: Monographs}}</ref>
'''Bernard Paul Gregory'''<ref>{{Cite web |title=Bernard Paul Gregory {{!}} CERN |url=https://home.web.cern.ch/about/who-we-are/our-people/biographies/bernard-paul-gregory |access-date=2026-02-06 |website=home.web.cern.ch}}</ref> (19 January 1919 – 24 December 1977)<ref name="CVBG">{{Cite journal|url=http://www.annales.org/archives/x/gregory.html |title=Biographie de Bernard Grégory |journal=La Jaune et la Rouge: Revue des anciens élèves de l'École polytechnique (X) |date=May 1978 |accessdate=2 September 2015 |url-status=dead |archiveurl=https://web.archive.org/web/20150629175359/http://www.annales.org/archives/x/gregory.html |archivedate=June 29, 2015 }}</ref><ref>{{cite journal|title=Tribute to Professor Gregory|journal=CERN Courier|date=December 1970|volume=10|issue=12|page=378|url=https://cds.cern.ch/record/1729077}}</ref><ref name="obituary">{{cite journal|title=People and things: Bernard Gregory|journal=CERN Courier|date=February 1978|volume=18|issue=1–2|page=27|url=https://cds.cern.ch/record/1730269}}</ref> was a prominent French physicist and director-general of [[CERN]].<ref>{{Cite journal|url = https://cds.cern.ch/record/133648|title = The 1979 Bernard Gregory lectures|accessdate = 1 September 2015|journal = CERN Report 80-03|publisher = CERN|year = 1980|series = CERN Yellow Reports: Monographs}}</ref>


During World War II, Gregory was a prisoner of war in a German camp for military officers.<ref name = CVBG /> After the war he graduated from the École Polytechnique and École Nationale Supérieure des Mines de Paris, then went to the United States to study fundamental particle interactions in high-energy cosmic rays.
During World War II, Gregory was a prisoner of war in a German camp for military officers.<ref name = CVBG /> After the war he graduated from the École Polytechnique and École Nationale Supérieure des Mines de Paris, then went to the United States to study fundamental particle interactions in high-energy cosmic rays.
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[[Category:1977 deaths]]
[[Category:1977 deaths]]
[[Category:People associated with the International Union of Pure and Applied Physics]]
[[Category:People associated with the International Union of Pure and Applied Physics]]
[[Category:Administrators]]

Revision as of 19:46, 10 April 2026

Bernard Paul Gregory[1] (19 January 1919 – 24 December 1977)[2][3][4] was a prominent French physicist and director-general of CERN.[5]

During World War II, Gregory was a prisoner of war in a German camp for military officers.[2] After the war he graduated from the École Polytechnique and École Nationale Supérieure des Mines de Paris, then went to the United States to study fundamental particle interactions in high-energy cosmic rays.

After earning his Ph.D. in 1950 at MIT, under the supervision of Professor Bruno Rossi,[6] Gregory returned to France. He became known in the high energy physics world in the 1950s when he worked as a researcher, with the title of deputy director, under Professor Leprince- Ringuet at the École Polytechnique.[7][8] At the École Polytechnique he worked with a number of physicists including Charles Peyrou [de], Jean Crussard (1911-1986), André Lagarrigue, and later André Astier.

In 1958, Gregory was appointed professor of physics at Polytechnique.[2] Around 1960, Gregory got involved in the bubble chambers research. He directed the work on the 81 cm Saclay Bubble Chamber, developed by the technical services at Saturne for the laboratory of the École Polytechnique, and was subsequently brought to CERN PS in Geneva.[4]

He was Directorate Member for Research at CERN from 1964 to 1965.[6] From 1966 to 1970, he was Director General of CERN.[9] At CERN, he supervised most of the construction of the world's first hadron collider, the Intersecting Storage Rings (ISR).

Following his mandate as CERN Director-General, Gregory returned to the Polytechnique laboratory in Paris. Soon he became director-general of the National Center for Scientific Research (CNRS), which he led from 1973 to 1976.[2] The same year, he became Délégué général à la Recherche scientifique et technique (DGRST). Gregory was the first chair of the International Committee for Future Accelerators, a working group of the International Union of Pure and Applied Physics.[10] He was elected president for the CERN Council for 1978, but died before entering this position.[8]

There is a street, Route Gregory, named after Gregory at the CERN Meyrin site.

References

  1. ↑ "Bernard Paul Gregory | CERN". home.web.cern.ch. Retrieved 2026-02-06.
  2. ↑ 2.0 2.1 2.2 2.3 "Biographie de Bernard Grégory" (May 1978). La Jaune et la Rouge: Revue des anciens élèves de l'École polytechnique (X). Retrieved on 2 September 2015. 
  3. ↑ "Tribute to Professor Gregory" (December 1970). CERN Courier 10 (12). 
  4. ↑ 4.0 4.1 "People and things: Bernard Gregory" (February 1978). CERN Courier 18 (1–2). 
  5. ↑ "The 1979 Bernard Gregory lectures" (1980). CERN Report 80-03. CERN. Retrieved on 1 September 2015. 
  6. ↑ 6.0 6.1 "Bernard Gregory: Directorate Member for Research" (March 1964). CERN Courier 4 (3). 
  7. ↑ Fleury, P (1978). Hommage a Bernard P. Gregory: commemoration, 23 mai 1978. Palaiseau: École Polytech. p. 5. ISBN 2-7302-0008-8.
  8. ↑ 8.0 8.1 "Bernard Gregory" (9 January 1978). CERN Bulletin (2/78). 
  9. ↑ "Prof. Gregory to succeed Prof. Weisskopf next January" (1965). CERN Courier. CERN. Retrieved on 2 September 2015. 
  10. ↑ "Membership | ICFA". Retrieved 2025-01-17.
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