Henry Debosnys

Henry Debosnys (born 1836 in Lisbon, Portugal; died April 28, 1883 in Essex County, New York) was hanged for murder of his third wife, Elizabeth Wells. His skull is on display at the Adirondack History Center Museum in Elizabethtown, New York.

Debosnys left enciphered documents, that have never been decrypted, using a cryptographic script (or scripts) and/or pictograms.