Pirrho Musefili (fl. 1546 - 1557) was a Florentine

cryptographer Cryptography, or cryptology (from grc, , translit=kryptós "hidden, secret"; and ''graphein'', "to write", or ''-logia'', "study", respectively), is the practice and study of techniques for secure communication in the presence of adver ...

and

cryptanalyst Cryptanalysis (from the Greek ''kryptós'', "hidden", and ''analýein'', "to analyze") refers to the process of analyzing information systems in order to understand hidden aspects of the systems. Cryptanalysis is used to breach cryptographic sec ...

. He solved cyphers and cryptograms for clients, notable clients being the King of England, King

Henry II of France Henry II (french: Henri II; 31 March 1519 – 10 July 1559) was King of France from 31 March 1547 until his death in 1559. The second son of Francis I and Duchess Claude of Brittany, he became Dauphin of France upon the death of his elder bro ...

, the Duke of Alba, and the powerful of Denmark. Due to Musefili and his student (and called his successor) Camilo Giusti's wide area of service for cryptography, they have been noted as important for the expansion of cryptology outside of Italy.

References

16th-century births 16th-century deaths {{Crypto-bio-stub