1927 – 2007
Michel Kervaire (1927–2007) was a French mathematician known for foundational contributions to differential topology and algebraic topology. He discovered the first example of a manifold that admits no differentiable structure and introduced the Kervaire invariant, a central object in the study of exotic spheres and framed cobordism.
Discovered the first topological manifold with no differentiable structure (the Kervaire manifold)
Introduced the Kervaire invariant in framed cobordism theory
Co-authored with John Milnor foundational work on groups of homotopy spheres
Contributed to knot theory, including results on higher-dimensional knots
Held a long professorship at the University of Geneva shaping European topology