Question: What was the name of the man who played a key role in the development of the reactor the powered the first submarine to complete a submerged transit of the North Pole?
Sentence (from "USS Skate (SSN-578)"): She was the third nuclear submarine commissioned, the first to make a completely submerged trans-Atlantic crossing, and the second submarine to reach the North Pole and the first to surface there.
Relevant evidence: No