(Hardback, Two volumes.)

Opens in spring 1914 when Einstein takes up a research professorship at the Prussian Academy of Sciences in Berlin and closes with the collapse of the German Empire four and one-half years later. The letters collected here touch on various aspects of Einstein's activities and shed light on his inner life.

(Hardback)

Set in the turbulent post-World War I period, this volume finds Einstein awaiting news of the 1919 British eclipse expedition to test the general relativistic prediction of the deflection of starlight by the sun. It reveals fresh facets of Einstein as he constructively participated in German and European scientific, academic, and cultural life.

(Hardback)