Robert Dicke, American physicist

Robert Dicke, American physicist

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Caption: Robert Dicke (1916-1997), American physicist. Dicke graduated from Princeton University in 1939 and received a PhD from the University of Rochester in 1941. He worked on radar technology during World War II at the Massachusetts Institute of Technology and spent the rest of his career at Princeton. In the early 1960s he repeated George Gamow's prediction of a cosmic background radiation, and almost immediately afterward correctly interpreted Arno Penzias's and Robert Wilson's discovery of it. Later, Dicke and his student, James Peebles, drew the attention of astronomers to a problem concerning the density of matter in the universe, called the flatness problem. A lecture by Dicke inspired Alan Guth to develop the inflationary model of the universe.

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