Find the missing text [**D**]
Background picture associated with the solution.Correct answers: 30
The first user who solved this task is Allen Douglas.
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Sir George Paget ThomsonBorn 3 May 1892; died 10 Sep 1975 at age 83.English physicist who shared (with Clinton J. Davisson of the U.S.) the Nobel Prize for Physics in 1937 for demonstrating that electrons undergo diffraction, a behaviour peculiar to waves that is widely exploited in determining the atomic structure of solids and liquids. He was the son of Sir J.J. Thomson who discovered the electron as a particle. |