- Jean Dufay
Jean Claude Barthélemy Dufay (July 18, 1896–November 6, 1967) was a French
astronomer .During his career he studied nebulae,
interstellar matter , the night sky and cometary physics. In 1925, while working in collaboration withJean Cabannes , he computed the altitude of the Earth'sozone layer . He was named the honorary director of the Lyon and Haute-Provence observatories. [cite journal
author=Staff | title=OBITUARY: Jean Dufay; Cuno Hoffmeister
journal=Irish Astronomical Journal
year=1999 | volume=9 | pages=167
url=http://adsabs.harvard.edu/abs/1969IrAJ....9..169.
accessdate=2007-08-06 ] [cite journal
last=Kopal | first=Z. | language=French
title=Jean Dufay (1896-1967)
journal=Astrophysics and Space Science
year=1968 | volume=1 | pages=409–410
url=http://adsabs.harvard.edu/abs/1968Ap%26SS...1..409K
accessdate=2007-08-06
doi=10.1007/BF00658764 ]He became a member of the French Academy of Sciences in 1963. [cite web
url =http://www.academie-sciences.fr/membres/in_memoriam/in_memoriam_liste_alphabetique_D.htm
title=Les Membres de l'Académie des sciences depuis sa création (en 1666)
publisher=Académie des sciences | language=French
accessdate=2007-08-06 ]
Dufay crater on theMoon was named after him.Bibliography
* Dufay, Jean. "Galactic Nebulae and Interstellar Matter", 1957.
* Dufay, Jean. "Introduction à l'Astrophysique des étoiles", 1961.References
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