Della Porta (1563) invented a method of writing secret messages inside eggs. Ink transferred from the shell to the boiled egg inside. The message could only be revealed when cracked and peeled

“Della Porta” redirects here. For the architect, see Giacomo della Porta. Giambattista della Porta (Italian pronunciation: [dʒambatˈtista ˌdelːa ˈpɔrta]) (1535?[2] – 4 February 1615), also known as Giovanni Battista Della Porta, was an Italian scholar, polymath and playwright who lived in Naples at the time of the Scientific Revolution and Reformation. Giambattista della Porta spent …

Della Porta (1563) invented a method of writing secret messages inside eggs. Ink transferred from the shell to the boiled egg inside. The message could only be revealed when cracked and peeled Read More »