Mikio Sato (Japanese: 佐藤 幹夫, Hepburn: Satō Mikio; 18 April 1928 – 9 January 2023) was a Japanese mathematician known for founding the fields of algebraic analysis, hyperfunctions, and holonomic quantum fields. He was a professor at the Research Institute for Mathematical Sciences in Kyoto.
Source: “Mikio Sato”, English Wikipedia (CC BY-SA 4.0), excerpt