Takeshi Oka

Takeshi Oka
岡 武史
Born1932
NationalityCanada
CitizenshipCanada
U.S.
Alma materUniversity of Tokyo
Known forDiscovering the Trihydrogen cation (H3+)
Hydronium
Methanium
AwardsEarle K. Plyler Prize (1982)
William F. Meggers Award (1997)
Ellis R. Lippincott Award (1998)
E. Bright Wilson Award in Spectroscopy (2002)
Davy Medal (2004)
Scientific career
FieldsAstrochemistry
InstitutionsUniversity of Tokyo
National Research Council of Canada
University of Chicago
Academic advisorsGerhard Herzberg
Doctoral studentsMoungi Bawendi

Takeshi Oka (岡 武史, Oka Takeshi; born 1932), FRS FRSC, is a Japanese-American spectroscopist and astronomer specializing in the field of galactic astronomy, known as a pioneer of astrochemistry and the co-discoverer of interstellar trihydrogen cation (H+
3
). He is now R.A. Milliken Distinguished Service Emeritus Professor, Departments of Astronomy and Astrophysics, Chemistry; Enrico Fermi Institute; and the College of University of Chicago.