Can you guess the author with the most physics books on what I call my “primary” bookshelf, the shelf right over my desk where I keep the books that I use the most often?
It would be Steven Weinberg. His 1972 Gravitation and Cosmology remains one of the best books ever on relativity theory, working out details in ways no other book does. His 2010 Cosmology remains a reasonably up-to-date textbook on modern cosmology. And then there is of course the 3-volume Quantum Theory of Fields.
Alas, Weinberg is no longer with us. He passed away yesterday, July 23, at the age of 88.
He will be missed.