Handwritten manuscript by Albert Einstein for an unpublished scientific work, one page, 8.5 x 11, no date but circa early 1940s. Marked "(13)" in the upper right corner, the page boasts a number of autograph equations with commentary in German. In the early 1940s Einstein began exploring the possibility of extending the field equations of General Relativity to form the basis for a new Unified Field Theory. In conceptualizing such a new theory, Einstein abandoned the use of standard Riemannian metric—the traditional cornerstone of General Relativity—and began considering new asymmetric forms of metric. Highly mathematical in nature, these abstract late-life 'Thought Experiments' occupied Einstein until his death and carried him into uncharted regions of physics.
The present manuscript is superbly representative of the mathematical methods and techniques Einstein investigated during the course of his final work with Unified Field Theory. The particular content of this document differs from Einstein’s post-WWII publications on Unified Field, and the text is formally unpublished and unknown to scholarship. An exceptionally fine scientific autograph with many mathematical equations, this page is a prime example of Einstein’s later work with General Relativity.
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