Stephen william hawking, a British professor in the Department of Applied Mathematics and Theoretical Physics of Cambridge University, is the most important contemporary general relativity and cosmologist.

Yang Zhenning, statistical physics, condensed matter physics, quantum field theory, mathematical physics and other fields.

Chen Shengshen, Father of Differential Geometry

Contemporary Einstein, a mathematician among physicists and an international string theory scientist: Witten.

Applied Mathematics, Lin Jiaqiao, Qiu Chengtong. . .

A lot, check it yourself when you have time.