Charles Robin Graham is professor emeritus of mathematics at the University of Washington, known for a number of contributions to the field of conformal geometry and CR geometry; his collaboration with Charles Fefferman on the ambient construction has been particularly widely cited.
The GJMS operators are, in part, named for him.
[1] He is a 2012 Fellow of the American Mathematical Society.
[2] Graham received his Ph.D. from Princeton University in 1981, under the direction of Elias Stein.
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