Nuclear physicist

Certainly it would be better if he were a nuclear physicist. On the other hand, I believe that a team of that sort would give stronger support to industrial work than a team of four nuclear engineers.

Explaining the history is a nuclear physicist who is also an accomplished writer.

And Theodore Taylor, the nuclear physicist who designed America's smallest and largest atomic bombs, has repeatedly stated that given fissile material, building a bomb is "very easy. Double underline. Very easy."