Michael Freedman
Michael Hartley Freedman is an American mathematician at Microsoft Station Q, a research group at the University of California, Santa Barbara. In 1986, he was awarded a Fields Medal for his work on the 4-dimensional generalized Poincaré conjecture. Freedman and Robion Kirby showed that an exotic R4 manifold exists.
21 April 1951
Born on the same birth date (21 April 1951): Bob Varsha • Steve Vickers (ice hockey) • Tony Danza
Born on the same birth day (21 April): Dieter Roth • Ebiet G. Ade • Edwin S. Porter • Helen Prejean • Herbert Wetterauer • Jacques Caron • Jean Hélion • Joc Pederson • John Putnam Chapin • Murathan Mungan • Princess Isabella of Denmark • Souleymane Cissé (film director) • Toby Stephens • Virginie Basselot
Born in the same month (April 1951): Ana María Shua • Bob Varsha • Bruce Gary • Elizabeth Symons, Baroness Symons of Vernham Dean • Jean-Marc Boivin • John Abizaid • Julian Lloyd Webber • Leszek Borysiewicz • Mitch Woods • Pascal Rogé • Peabo Bryson • Peter Davison • Stuart Prebble • Ubol Ratana