contributions to algebraic topology and conformal dynamics" 2012 Fellow of the American Mathematical Society 2014 Balzan Prize in Mathematics (pure or applied) 2022 Abel Prize Personal life Sullivan is married to fellow mathematician Moira Chas. See also Assembly map Double bubble conjecture Flexible polyhedron Formal manifold Loch Ness monster surface Normal invariant Ring lemma Rummler–Sullivan theorem Ruziewicz problem References External links Sullivan's homepage at CUNY Sullivan's homepage at Stony Brook University Dennis Sullivan International Balzan Prize Foundation 1941 births 20th-century American mathematicians 21st-century American mathematicians Abel Prize laureates City University of New York faculty Dynamical systems theorists Graduate Center, CUNY faculty Fellows of the American Mathematical Society Homotopy theory Living people Mathematicians from Michigan Members of the United States National Academy of Sciences National Medal of Science laureates Princeton University alumni Recipients of the Great Cross of the National Order of Scientific Merit (Brazil) Rice University alumni Stony Brook University faculty Topologists Wolf Prize in Mathematics laureates