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Michael Freedman
open-in-new
<p>Michael Hartley Freedman (born April 21, 1951) is an American <a href="/facts/Mathematician/eaFSR8Fx">mathematician</a> at <a href="/facts/Microsoft_Station_Q/04A5LpMI">Microsoft Station Q</a>, a research group at the <a href="/facts/University_of_California,_Santa_Barbara/G7UvBWlK">University of California, Santa Barbara</a>. In 1986, he was awarded a <a href="/facts/Fields_Medal/khFmkEnm">Fields Medal</a> for his work on the 4-dimensional <a href="/facts/Generalized_Poincar%C3%A9_conjecture/9wvLDqTq">generalized Poincaré conjecture</a>. Freedman and <a href="/facts/Robion_Kirby/QMxyDhtv">Robion Kirby</a> showed that an <a href="/facts/Exotic_R4/fJM71ocC">exotic R4</a> manifold exists. </p>