Takeo Nakasawa

Takeo Nakasawa (1913 February 5, Koichi prefecture – 1946 June 20 Khabarovsk, Soviet Union) was a Japanese mathematician who independently invented matroid theory, though his work was forgotten for many years.

References

• Nishimura, Hirokazu; Kuroda, Susumu, eds. (2009), A lost mathematician, Takeo Nakasawa. The forgotten father of matroid theory, Basel: Birkhäuser Verlag, ISBN 978-3-7643-8572-9, MR2516551, http://www.springerlink.com/content/978-3-7643-8572-9