Hostile to quantum mechanics is the wrong way to put it. He was key in articulating it.
For instance:
https://en.wikipedia.org/wiki/Photoelectric_effect
I think it's fair to say he was dissatisfied with it (which drove his work on unification).
For instance:
https://en.wikipedia.org/wiki/Photoelectric_effect
I think it's fair to say he was dissatisfied with it (which drove his work on unification).
See https://en.wikipedia.org/wiki/Bohr%E2%80%93Einstein_debates for a brief history.
Similarly, when Scalia died Ginsburg said she would miss his rebuttals to her opinions because they always made her final product better.