More than one doctor has found their theories dismissed by the existing establishment, only to be proven right years later. Perhaps none of those stories are more dramatic than the story of Werner Forssmann, who, when faced with defeat, simply chose to go around everyone and do his experiment anyway - on himself.
The first class of nuclear submarines were a learning experience for the Soviet Navy. The November class boats experienced numerous difficulties and accidents, culminating in what has been described as a potential “Underwater Chernobyl."