Gravitation:

Kip S. Thorne is a theoretical physicist, known for his contKip S. Thorne is a theoretical physicist, known for his contKip S. Thorne is a theoretical physicist, known for his contributions in gravitation physics and astrophysics and for haributions in gravitation physics and astrophysics and for haributions in gravitation physics and astrophysics and for having trained a generation of scientists. He is considered onving trained a generation of scientists. He is considered onving trained a generation of scientists. He is considered one of the few authorities on gravitational waves. He was the e of the few authorities on gravitational waves. He was the e of the few authorities on gravitational waves. He was the Feynman Professor of Theoretical Physics at Caltech until 20Feynman Professor of Theoretical Physics at Caltech until 20Feynman Professor of Theoretical Physics at Caltech until 2009, when he resigned to pursue writing and filmmaking. 09, when he resigned to pursue writing and filmmaking. 09, when he resigned to pursue writing and filmmaking.

John Archibald Wheeler currently holds an emeritus professorship at Princeton University, where he spent most of his career.