Erwin Finlay-Freundlich [Scottish name:"Finlay"] was a German astronomer, a pupil of Felix Klein. He was born in Biebrich, Germany. Freundlich was a working associate of Albert Einstein and introduced experiments for which the general theory of relativity could be tested by astronomical observations based on the gravitational redshift. After finishing his thesis with Felix Klein at the University of Göttingen in 1910, … Wikipedia
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