Alexander Hamilton, one of the Founding Fathers of the United States, has become especially popular since a musical was written about him. Hamilton left behind a 26×26 turning grille.
Last week I introduced a cryptogram made with a Fleissner grille. Blog reader Armin Krauß found the solution, although I had made a serious mistake in the encryption process.
Der niederländische Historiker Karl de Leeuw konnte ein Kryptogramm aus dem 18. Jahrhundert entschlüsseln. Die Verschlüsselungsmethode war genauso bemerkenswert wie der Inhalt.
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