The 1995 Laureates / Basic Sciences Category / Earth and Planetary Sciences, Astronomy and Astrophysics

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Chushiro Hayashi

Japan / July 25, 1920-2010
Astrophysicist; Professor Emeritus, Kyoto University

“Outstanding Contribution to Astrophysics through the Theoretical Studies of the Stellar Formation and Evolution and the Formation of Solar System”
An astrophysicist who introduced the knowledge and methods of fundamental physics into analysis of astronomical phenomena, applying scientific principles from such fields as nuclear physics and fluid dynamics. Through studies of stellar evolution and the solar system, he developed theories explaining many astronomical phenomena and contributed immeasurably to the maturation of modern astrophysics.

BRIEF BIOGRAPHY

1920
Born in Kyoto, Japan
1940
Graduated from Faculty of Science, University of Tokyo
1945
Joined Yukawa Laboratory, Faculty of Science, Kyoto University
1949
Ph. D., Science, Kyoto University
1954
Associate Professor, Faculty of Science, Kyoto University
1984
Professor Emeritus, Kyoto University

AWARDS AND HONORS

1963
Nishina Memorial Medal
1966
Asahi Prize
1970
Eddington Medal (Royal Astronomical Society)
1971
Imperial Prize (The Japan Academy)
1982
Person of Cultural Merit (Japanese Government)

MAJOR WORKS

1950
Proton-Neutron Concentration Ratio in the Expanding Universe at the Stages Preceding the Formation of the Elements. Prog. Theor. Phys., 5.
1961
Stellar Evolution in Early Phases of Gravitational Contraction. Publ. Astron. Soc. Japan, 13.
1962
Evolution of the Stars (with R. Hoshi and D. Sugimoto). Prog. Theor. Phys. Suppl., 22.
1970
Growth of Solid Particles in the Primordial Solar Nebula (with T. Kusaka and T. Nakano). Prog. Theor. Phys., 44.
1976
Formation of the Planets (with I. Adachi and K. Nakazawa). Prog. Theor. Phys., 55.
1985
Formation of the Solar System (with K. Nakazawa and Y. Nakagawa). Protostars and Planets II, (Univ. Arizona Press)
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