Robert Geroch is a theoretical physicist and professor at the University of Chicago.
He was the Doctor of Philosophy supervisor for Abhay Ashtekar. Geroch obtained his Doctor of Philosophy degree from Princeton University in 1967 under the supervision of John Archibald Wheeler.
He has worked prominently on general relativity and mathematical physics and has promoted the use of category theory in mathematics and physics. Special topics in Particle Physics, Lecture course at University of Chicago, 1973-1974. Suggestions Foreign Giving Talks, Notes on giving scientific talks, 1973.