Wikipedia: History of Heisuke Hironaka

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Heisuke Hironaka (1931) is celebrated for proving in 1964 that singularities of algebraic varieties admit resolutions in characteristic zero. This means that any projective variety can be replaced by a similar one (i.e. birationally equivalent) which has no singularities. For this theorem he won the Fields Medal in 1970. He was for many years a professor of mathematics at Harvard but currently lives in Japan where he is deeply respected and influential. He has been active in raising funds for causes such as mathematical education.

Heisuke Hironaka (広中平祐) (1931) is celebrated for proving in 1964 that singularities of algebraic varieties admit resolutions in characteristic zero. This means that any projective variety can be replaced by a similar one (i.e. birationally equivalent) which has no singularities. For this theorem he won the Fields Medal in 1970. He was for many years a professor of mathematics at Harvard but currently lives in Japan where he is deeply respected and influential. He has been active in raising funds for causes such as mathematical education.

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