Lot 189: Nobel Prize–winning German physicist (1858–1947) who pioneered the understanding of quantum theory. ALS in German, signed "M. Planck," one page, 6 x 4, stamped personal letterhead, June 12, 1938. Untranslated. In fine condition, with light soiling at the top.
RR Auction's Fine Autographs and Artifacts Auction 453
Sunday, 17th May 2015
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