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![Michael France Atiyah: Abel Prize winner 2004. Photo: Anne Lise Flavik](/sites/default/files/styles/gutenberg_style_rect_front/public/2021-04/2004_Atiyah_A.L.Flavik.jpg?itok=LAckiuji)
2004: Sir Michael Francis Atiyah
University of Edinburgh, Scotland
"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."
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![Isadore M. Singer: Abel Prize winner 2004. Photo: Anne Lise Flavik](/sites/default/files/styles/gutenberg_style_rect_front/public/2021-04/2004_Singer_A.L.Flavik.jpg?itok=RdiuUVxM)
2004: Isadore M. Singer
Massachusetts Institute of Technology, USA
"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."