Fukushima: Mark 1 Nuclear Reactor Design Caused GE Scientist To Quit In ProtestDamaged Japanese nuclear plant has five Mark 1 reactors. March 15, 2011 — -- Thirty-five years ago, Dale G. Bridenbaugh and two of his colleagues at General Electric resigned from their jobs after becoming increasingly convinced that the nuclear reactor design they were reviewing -- the Mark 1 -- was so flawed it c