Shigeo Sasaki

Shigeo Sasaki 佐々木 (18 November 1912 Yamagata Prefecture, Japan – 14 August 1987 Tokyo) was a Japanese mathematician working on differential geometry who introduced Sasaki manifolds.
Publications

Sasaki, Shigeo (1985), Tachibana, Shun-ichi, ed., Selected papers, Tokyo: Kinokuniya Company Ltd., MR834384

References

Editors of the Tohoku Mathematical Journal (1987), "Shigeo Sasaki: 1912–1987", Tohoku Math. J. (2) 39 (4): i–viii, doi:10.2748/tmj/1178228236
O'Connor, John J.; Robertson, Edmund F., "Shigeo Sasaki", MacTutor History of Mathematics archive, University of St Andrews.