Osamu Hayaishi

Osamu Hayaishi
早石 修
Born(1920-01-08)January 8, 1920
DiedDecember 17, 2015(2015-12-17) (aged 95)
NationalityJapanese
Alma materOsaka University
Known forOxygenases
Prostaglandin
AwardsJapan Academy Prize (1967)
Order of Culture (1972)
Wolf Prize (1986)
Scientific career
FieldsBiochemistry
Physiology
InstitutionsOsaka Bioscience Institute
Osaka Medical College
Kyoto University
Vanderbilt University
University of Tokyo
Osaka University
Washington University in St. Louis
National Institutes of Health
Doctoral studentsYasutomi Nishizuka
Tasuku Honjo
Shigetada Nakanishi

Osamu Hayaishi MJA (早石 修, Hayaishi Osamu; January 8, 1920 – December 17, 2015), was a Japanese biochemist, physiologist, and military physician. He discovered Oxygenases at the National Institute of Arthritis and Metabolic Diseases, National Institutes of Health in 1955.

Citing his "outstanding and pioneering contributions to biomedical sciences and enzymology," the Wolf Foundation awarded Hayaishi the 1986 Wolf Prize in Medicine "for his discovery of the oxygenase enzymes and elucidation of their structure and biological importance".

Hayaishi was President of International Union of Biochemistry and Molecular Biology from 1973 to 1976.