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): Alfred Henry Maurer • Cheryl Gillan • Dieter Fromm • Freddie Dixon • Fredrik Bajer • Helen Prejean • Hilda Hilst • Jack Evans (ice hockey) • John Muir • John Putnam Chapin • John Swinton of Kimmerghame • Mary Rogers Miller • Murathan Mungan • Odilo Globocnik • Paul Karrer • Roger Doucet • Sancho VI of Navarre • Shivaji Satam • Simon de la Loubère • Tim Jacobus • Ulrich von Hutten • Xavi Simons
Born in the same month (April 1951): Ace Frehley • Aivars Kalējs • Ayako Okamoto • Bruce Gary • Börje Salming • Christian Bobin • Gerd Andres • John Battle (politician) • Julian Lloyd Webber • Luther Vandross • Steve Vickers (ice hockey) • Tim Congdon • Tom Noonan