TLS in German, signed “A. Einstein,” one page, 8.5 x 11, personal letterhead, January 2, 1951. Letter to Dr. F. G. Back. In part, “I thank you kindly for thinking of us. I will certainly study the book about Korea…I would have called a book of this nature: Korea as the Cure for American Mentality.” Three intersecting mailing folds and a couple trivial wrinkles, otherwise very fine condition. Very nice and crisp signature. LOA John Reznikoff/PSA/DNA and R&R COA.