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Physicist who helped design sub Nautilus dies

The Associated Press
Posted : Monday Feb 11, 2008 17:37:29 EST

BOOTHBAY HARBOR, Maine — Robert Hellens, a nuclear physicist who helped
design the Navy’s first nuclear-powered vessel, died Jan. 28 at his home
in Boothbay Harbor. He was 82.

Hellens worked on the reactor design for the submarine Nautilus. He
later worked on nuclear power plant design at Combustion Engineering in
Windsor Locks, Conn., and at Brookhaven National Laboratory in New York.

In 1971 he received the Atomic Energy Commission’s Ernest O. Lawrence
Award for his work on the design of pressurized water reactors.

Survivors include his wife, Sally Fletcher Hellens, and three daughters.

A graveside ceremony will be held in the spring in Shrewsbury, Mass...