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Typed letter signed

TYPED LETTER SIGNED BY ALBERT EINSTEIN WITH IMPORTANT SCIENTIFIC CONTENT, MAKING HISTORIC CONNECTIONS BETWEEN KEPLER'S WORK AND HIS OWN

EINSTEIN, Albert. Typed letter signed. Princeton, November 3, 1942.

An exceptional typed letter signed by Einstein on precursors like Johannes Kepler's work to his Special and General Theories of Relativity, $38,000.

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Autograph letter signed

"PROF. EPSTEIN IS CERTAINLY ONE OF THE MOST PROMINENT LIVING THEORETICAL PHYSICISTS OF THE GERMAN-SPEAKING WORLD"

EINSTEIN, Albert. Autograph letter signed. No place, August 14, 1921.

Rare heartfelt autograph letter of recommendation written and signed by Einstein in German, enthusiastically recommending his friend and colleague, physicist Prof. Dr. Paul Epstein, for an academic position. $35,000.

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