He seems to have started out as a theoretical nuclear physicist.
Governments can't build nuclear weapons without nuclear physicists.
Nuclear physicists became involved in arms control and disarmament in the Cold War era.
He was an experimental nuclear physicist.
He was a nuclear physicist who popularized the big-bang theory of the origin of the universe.
His family suffered great hardship in the first world war but he was exceptionally intelligent and determined, and managed to become a nuclear physicist.
He was trained as a theoretical nuclear physicist and taught in the field for many years at universities in Europe and the Middle East.
The army recruited an internationally prominent nuclear physicist.
She is a trained nuclear physicist.
The wartime investments had huge peacetime benefits for the community of nuclear physicists.