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Évry Léon Schatzman (16 September 1920 – 25 April 2010 ) was a Jewish French astrophysicist, researcher, educator, and author.

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Early life and family background
Schatzman was born 16 September 1920 in Neuilly-sur-Seine, Hauts-de-Seine, France. His father, Benjamin Schatzman, was born in Tulcea, Romania and as a child had emigrated to Palestine with his family as part of the First Aliyah. Cecile Khan, the daughter of a secretary working at the Israelite Consistory in Paris, was his mother.

Education and early adulthood
Évry's post-secondary education began in November 1939 at École Normale Supérieure of Paris, where he studied theoretical physics until fleeing Nazi occupied France circa May 1940. In December 1941, Schatzman's father was captured and taken to Auschwitz, where he later died. Schatzman continued his studies in Lyon in January 1942. While in Lyon, he met his wife, Ruth Fisher. Shortly after they married, the pair moved to the Observatoire de Haute-Provence where they, along with several other Jews, were assisted by then director, Jean Dufay, and astronomer Charles Fehrenbach, in hiding during the German occupation of France.

Awards
1983 CNRS Gold Medal - http://www.cnrs.fr/fr/personne/evry-schatzman

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Évry Léon Schatzman (16 September 1920 – 25 April 2010 ) was a Jewish French astrophysicist.

His father, Benjamin Schatzman, was a dentist born in Tulcea, Romania and emigrated at a young age with his family to Palestine. Schatzman began his studies at the École normale supérieure in November 1939. After the German invasion of France, Schatzman, who was Jewish, fled occupied France, arriving in Lyon in January 1942. He worked there for a year and then moved to Haute-Provence Observatory where he hid under the pseudonyms Antoine Emile Louis Sellier and Henri Sellier. He was hired by the Centre national de la recherche scientifique (CNRS) in the fall of 1945 and received his doctorate in March 1946. He spent time at Copenhagen Observatory and Princeton University before beginning to teach at the University of Paris in 1949, where he remained for 27 years. His daughter, mathematician Michelle Schatzman was born in 1949. He was long at the Institut d'Astrophysique, a CNRS organization built in the garden side of l'Observatoire. During this period Schatzman also taught at the Université Libre de Bruxelles (Free University of Brussels). Schatzman became an associate professor at the University of Paris in 1954. In 1976 he moved to Nice Observatory, where he eventually became a full researcher. Schatzman retired in the fall of 1989.

Schatzman worked on white dwarfs during the 1940s. He realized that the atmospheres of white dwarfs should be gravitationally stratified, with hydrogen on top and heavier elements below,, §5–6 and explained pressure ionization in white dwarf atmospheres. He was one of the proponents of the wave heating theory of the solar corona. Schatzman proposed the mechanism of magnetic braking, by which outflows slow down the stellar rotation.

Schatzman wrote the astrophysics textbook Astrophysique Générale and contributed greatly to the popularity of astrophysics in France. He received the Prix Jules Janssen of the Société astronomique de France (French Astronomical Society) in 1973, the Holweck award in 1985, and the Gold Medal of the CNRS in 1983. He became a member of the French Academy of Sciences in 1985.

In 1992 the Committee for Skeptical Inquiry (CSICOP) presented Schatzman with their Distinguished Skeptic Award.

Selected works

 * Origine et évolution des mondes, Paris: A. Michel, 1957. Translated into Spanish by Raquel Rabiela de Gortari and Arcadio Poveda as Origen y evolución del universo, México: UNAM, 1960; translated into English by Bernard and Annabel Pagel as The origin and evolution of the universe, New York: Basic Books, 1965.
 * White Dwarfs, Amsterdam: North-Holland, 1958.
 * (with Jean Claude Pecker) Astrophysique Générale, Paris: Masson, 1959.
 * Our Expanding Universe, New York: McGraw–Hill, 1992, ISBN 0-07-055174-X.
 * (with Françoise Praderie) Les Etoiles, Paris: Paris Interéditions et ed. du CNRS, 1990, ISBN 2-7296-0299-2.  Translated into English by A. R. King as The Stars, Berlin: Springer, 1993, ISBN 3-540-54196-9.