OFFPRINTS OF TWO PAPERS BY BLACKETT, INCLUDING HIS FAMOUS PHOTOGRAPHIC PROOF THAT RADIOACTIVITY COULD PRODUCE ALPHA DECAY, AND HIS DISCUSSION OF DUAL-CAMERA CLOUD CHAMBER SET-UPS, TWO PAPERS THAT CONTRIBUTED TO HIS BEING AWARDED THE 1948 NOBEL PRIZE IN PHYSICS. More

FIRST EDITION, OFFPRINT ISSUE, INSCRIBED BY NIELS BOHR, of Bohr's Nobel Prize lecture, delivered on the occasion of Bohr's acceptance of the 1922 Nobel Prize in Physics. An association copy: Inscribed to J.A. Christiansen, noted scientist and student of Bohr. More

FIRST EDITION of Bohr, Kramers, and Clarke’s influential paper that “contained drastic theoretical proposals concerning the interaction of light and matter." Printed simultaneously in German in Zeitschrift fur Physik. More

THE ORIGIN OF STATISTICAL MECHANICS: FIRST EDITIONS, JOURNAL ISSUES, IN ORIGINAL WRAPPERS, OF LUDWIG BOLTZMANN’S ATTEMPTS TO DERIVE THE SECOND LAW OF THERMODYNAMICS FROM THE BASIC PRINCIPLES OF MOLECULAR MECHANICS, AND HIS PROPOSAL OF THE “ERGODIC HYPOTHESIS.”. More

FIRST EDITION OFFPRINT IN ORIGINAL WRAPPERS OF BORN’S NEW MATHEMATICAL DESCRIPTION OF QUANTUM PHYSICS, INCLUDING THE FIRST USE OF THE TERM "QUANTUM MECHANICS." More

FIRST EDITION IN RARE ORIGINAL WRAPPERS of the presentation of de Broglie’s highly influential “pilot-wave” interpretation of quantum mechanics. More

FIRST EDITION IN ORIGINAL WRAPPERS of Debye’s explanation of the dual wave-particle nature of electromagnetic radiation (the “Compton effect”). Precedes the full account by Compton. More

FIRST EDITION, SCARCE PRESENTATION OFFPRINT OF ONE OF DIRAC’S MOST IMPORTANT PAPERS: the introduction of what is now known as “Fermi-Dirac statistics”. More

MAGNIFICENT PORTRAIT OF EINSTEIN BY TRUDE FLEISCHMANN, SIGNED AND INSCRIBED BY EINSTEIN. More

FIRST EDITION of two important Einstein papers, including one of the two papers on his Noble Prize winning work on the photoelectric effect. More

FIRST EDITION IN ORIGINAL WRAPPERS of Hugh Everett's ground breaking work on the existence of multiple universes, a new theory addressing the flaws of the Copenhagen quantum mechanics interpretation. More

FIRST EDITION of Feynman’s undergraduate thesis at MIT, “a fundamental discovery” published in The Physical Review when he was just twenty-one. More

FIRST EDITION of Murray Gell-Mann's Nobel-Prize winning work on the discovery of the "Eightfold Way" More