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FIRST EDITION OFFPRINT, PRESENTATION COPY, of Bohr's first published scientific paper, written while he was a 20-year-old student at Copenhagen University. Inscribed by Bohr in Danish on front wrapper to Poul Heegaard, mathematician and professor at Copenhagen University. In original wrappers.
Price: $9,400 .
TOWARDS THE END OF HIS LIFE, EINSTEIN WRITES TO ONE OF HIS FRIENDS FROM THE PATENT OFFICE CONCERNING ONE OF THE CENTRAL STRUGGLES OF HIS SCIENTIFIC LIFE. COMMENTING ON THE WORK OF DIRAC, EINSTEIN ADMITS THAT ALTHOUGH HE “CAN’T TAKE A STATISTICAL FOUNDATION OF PHYSICS SERIOUSLY” HE FINDS IT.....
Price: $29,000 .