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Author: WikiMatrix
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English[en]
A longtime friend and colleague of Stephen Hawking and Carl Sagan, he was the Feynman Professor of Theoretical Physics at the California Institute of Technology (Caltech) until 2009 and is one of the world's leading experts on the astrophysical implications of Einstein's general theory of relativity.
Swedish[sv]
Han var Feynman professor i teoretisk fysik vid California Institute of Technology (Caltech) fram till 2009 och är en av världens ledande experter på astrofysikaliska implikationer av Einsteins allmänna relativitetsteori.