Leon Battista Alberti
14 February 1404 — 25 April 1472
Leon Battista Alberti was an Italian Renaissance humanist author, artist, architect, poet, priest, linguist, philosopher, and cryptographer; he epitomised the nature of those identified now as polymaths. He is considered the founder of European cryptography, a claim he shares with Johannes Trithemius.
A memorial on Digital Cemetery, an endless map you can explore. This grave stands at coordinates 74, -55.