Sir Michael Francis Atiyah

* April 22, 1929, London, England, UK
† January 11, 2019

Fields Medal - 1966

Did joint work with Hirzebruch in K-theory; proved jointly with Singer the index theorem of elliptic operators on complex manifolds; worked in collaboration with Bott to prove a fixed point theorem related to the "Lefschetz formula".

Abel Prize - 2004

Along with Isadore M. Singer for their discovery and proof of the index theorem, bringing together topology, geometry and analysis, and their outstanding role in building new bridges between mathematics and theoretical physics.