German diplomat (1870-1950) who married the heiress of the Krupp family of industrialists, Bertha Krupp, and took over operation of the family firm. TLS in German, three pages on two adjoining sheets, 7 x 8.75, November 13, 1927. Untranslated letter to Professor Adolf Hasenclever, emphatically signed at the conclusion in black ink. Accompanied by the original mailing envelope. In fine condition. RRAuction COA.