Albert Einstein (original); Edmark (Oxford, UK) (postcard reproduction)2018-11-052018-11-051931 (orighttp://172.16.52.76:80/cdm/ref/collection/coll8/id/329https://hdl.handle.net/20.500.12111/5874The caption to this postcard reproduction, which was issued by the Museum of the History of Science in Oxford, England, reads: "Blackboard used by Albert Einstein at the second of three Rhodes Memorial Lectures on "The Theory of Relativity" delivered at Rhodes House, Oxford, 16 May, 1931."4.25 x 6B&WCopyright may be held by one or more of the three entities (Studio Edmark, English Life Publications Limited, and the Museum of the History of Science) responsible for the production of this postcard. Permission to use this image must be requested from the Institute's Archives. Please contact archives@ias.edu.Reproduction of handwritten notations by EinsteinImage