Robert Penner

Robert Clark Penner
Born (1956-08-10) August 10, 1956 (age 68)
Alma materCornell University
Massachusetts Institute of Technology
FatherSol Penner
Scientific career
FieldsMathematics
Physics
Biology
InstitutionsPrinceton University
Mittag-Leffler Institute
University of Southern California
Aarhus University
Institut des Hautes Etudes Scientifiques
Thesis A computation of the action of the apping class group on isotopy classes of curves and arcs in surfaces  (1981)
Doctoral advisorJames Munkres
David Gabai

Robert Clark Penner is an American mathematician whose work in geometry and combinatorics has found applications in high-energy physics and more recently in theoretical biology. He is the son of Sol Penner, an aerospace engineer.