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#Mon Aug 09 12:08:41 CEST 2010
Text__3hEaYKOdEd-WfYQ0GneCwQ_title=Page from an Einstein Manuscript
Text__3hEaYKOdEd-WfYQ0GneCwQ_text=<p>Einstein describes the heuristic principles that led him to the Special and General Theories of Relativity.</p> <p>Written for the journal <i>Nature</i>, but subsequently withdrawn and not published.</p>