Albert Einstein, Out of My Later Years, first German edition, signed by Albert Eintein presented by Mt. Gothic Tomes and Reliquary

Book is accompanied by excellent provenance: a letter to the recipient of this book from Albert Einstein's secretary of 27 years, Helen Dukas, confirming Einstein signed book for J. Geiser, 1952.

Original letter on Princeton letterhead: "A. Einstein. 112, Mercer Street. Princeton, New Jersey, U.S.A." Addressed to: Herr J. Geiser, Chaumontweg 139. Bern-Spiegel, Schweiz." Dated: 9. December 1952. Signed by Helen Dukas, Sekretarin. Near fine condition; folded.

SOLD

ALBERT EINSTEIN PAGE 1

ALBERT EINSTEIN PAGE 2

ALBERT EINSTEIN PAGE 3

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Boltzmann equation

$\left( c \boldsymbol{\alpha}\cdot \mathbf{\hat{p}}+\beta mc^2 \right ) \psi = i\hbar\frac{\partial \psi}{\partial t}\,\!$

Dirac equation