books

Books about Nakasawa:

booksA Lost Mathematician, Takeo Nakasawa: The Forgotten Father of Matroid Theory by Hirokazu Nishimura and Susumu Kuroda (Feb 27, 2009)

booksThe chemistry of copper smelting in Japan: By I. Nakasawa by Iwata Nakasawa (1879)

wiki

Wiki information Nakasawa:

Nakasawa Station
Transit Stop, Location

Nakasawa Station is a railway station on the JR East Tsugaru Line located in the city of Aomori, Aomori Prefecture, Japan. It is 16.8 rail kilometers from the southern terminus of the Tsugaru Line at Aomori Station. The station is on the border...

Takeo Nakasawa
Mathematician, Person

Takeo Nakasawa was a Japanese mathematician who independently invented the theory of matroids, though his work was forgotten for many years.