TLS signed “A. Einstein,” one page, 8.5 x 10.75, Institute for Advanced Study letterhead, June 22, 1946. Letter to John Cullen, the assistant general editor at London publisher Methuen & Co. In part: “I am in receipt of your letter of the 6th informing me of your intention to print a new edition of Relativity. I have to add a few remarks as an appendix to chapter 32 to bring it up to date.” In very good condition, with numerous intersecting folds (one vertical fold passing through a single letter of the signature), scattered creases, a few small edge tears, and a bit of paper loss and foxing at the top.
A new version of Einstein’s 1922 work on special and general relativity, The Meaning of Relativity, was republished in 1945 in America and 1946 in the UK to include a long appendix covering various topics, such as the cosmological implications of general relativity. Einstein first published his popular description of special relativity in 1916, while the 1922 book explained the theory with more technical detail. Given this content concerning his revisions to The Meaning of Relativity, this is an exceedingly desirable letter that demonstrates Einstein’s continuous dedication to refining his most important contribution to physics. Pre-certified PSA/DNA.
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