Rainer K. Sachs

Rainer Kurt "Ray" Sachs (June 13, 1932 – April 16, 2024) was a German-American mathematical physicist, with interests in general relativistic cosmology and astrophysics, as well as a computational radiation biologist. He was professor emeritus of Mathematics and Physics at the University of California, Berkeley, and adjunct professor at Tufts Medical School. Provided by Wikipedia