AN EXTRAORDINARY LETTER BY EINSTEIN TO HIS SON OFFERING LIFE ADVICE AND DISCUSSING FREUD, SHAKESPEARE, AND SCHILLER. More

EINSTEIN OFFERS STRONG AND PRESCIENT WORDS OF ENCOURAGEMENT TO THE LEADER OF THE NAACP IN THE FIGHT AGAINST RACISM AND SEGREGATION IN THE UNITED STATES. More

AN IMPORTANT SIGNED LETTER (in English) by Einstein, revealing his reservations of associating with communism even in the fight against fascism. More

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..... More

HEISENBERG PROVIDES HIS RECOLLECTIONS OF THE ORIGINS OF NIELS BOHR’S CONCEPT OF “COMPLEMENTARITY”. A UNIQUE ITEM, OF UTMOST IMPORTANCE FOR THE LIGHT IT SHEDS ON THE PHILOSOPHICAL FOUNDATIONS OF QUANTUM MECHANICS AS SEEN BY THE PIONEERS IN THE FIELD. More

IMPORTANT SIGNED LETTER BY RONALD REAGAN. On the heels of the great success of his famous speech for Barry Goldwater, Reagan weighs a political career for himself. More

POIGNANT SIGNED LETTER FROM ROOSEVELT ON HIS RESOLVE NOT TO LET POLIO DEFEAT HIM. More

ROOSEVELT’S HISTORIC LETTER INVITING MAUD NATHAN TO LEAD THE SUFFRAGE COMMITTEE OF THE PROGRESSIVE PARTY. More

INSCRIBED FIRST EDITIONS IN A PRESENTATION BINDING WITH ORIGINAL WRAPPERS BOUND-IN. A SUPERB ASSOCIATION COPY, SIGNED AND INSCRIBED BY STIEGLITZ: “To my friend, advisor & co-worker / John Francis Strauss / from / Alfred Stieglitz.” Additionally noted by Stieglitz “Feb, 17 - 1905. Third Anniversary of the birth of the..... More

REVEALING LETTER BY YEATS ON HIS POETIC TASTES AND INFLUENCES. More