Claim: Leonardo da Vinci was a person.

Ludovico Maria Sforza -LRB- also known as Ludovico il Moro ; 27 July 1452 -- 27 May 1508 -RRB- , was Duke of Milan from 1494 until 1499 , following the death of his nephew Gian Galeazzo Sforza . A member of the Sforza family , he was the fourth son of Francesco I Sforza . He was famed as a patron of Leonardo da Vinci and other artists , and presided over the final and most productive stage of the Milanese Renaissance . He is probably best known as the man who commissioned The Last Supper .