Nobel Prize-winning German physicist (1858-1947) who pioneered the understanding of quantum theory. ALS in German, signed “M. Planck,” one page, 5 x 4, Berlin University faculty letterhead, November 17, 1903. Letter to a student, in full (translated): "You will probably be examined by Prof. Frey and Prof. Kekule-Stradonitz in the main subject at the graduation exam, and by Prof. Friedlander in musicology." In fine condition, with a punch hole affecting one letter of text.
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