Before revision: Around 1437 Italian humanist author, artist , architect, poet, priest, linguist, philosopher and cryptographer Leon Battista Alberti is thought to have created the earliest impressive peep show boxes with painted pictures to be viewed through a small hole .
After revision: According to 18th century Italian historian Ludovico Antonio Muratori (1672 – 1750), Italian humanist author, artist , architect, poet, priest, linguist, philosopher and cryptographer Leon Battista Alberti (1404 – 1472) created wonderful painted pictures exhibited inside a box with a small aperture .