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Della Porta, Giovanni Battista, 1535 - 4.2.1615, Italian polymath, portrait, woodcut in his book "Magiae naturalis sive de miraculis rerum naturalium", Napels, 1558, private collection Stock Photo - Alamy
![File:Giovanni Battista della Porta. Lithograph by L. Aureli after Wellcome V0004748.jpg - Wikimedia Commons File:Giovanni Battista della Porta. Lithograph by L. Aureli after Wellcome V0004748.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/c/ca/Giovanni_Battista_della_Porta._Lithograph_by_L._Aureli_after_Wellcome_V0004748.jpg)
File:Giovanni Battista della Porta. Lithograph by L. Aureli after Wellcome V0004748.jpg - Wikimedia Commons
![Giovanni della Porta, the Renaissance scholar who encrypted messages inside eggs to fool the Inquisition Giovanni della Porta, the Renaissance scholar who encrypted messages inside eggs to fool the Inquisition](https://www.labrujulaverde.com/en/wp-content/uploads/2020/08/Giovanni-4-2.jpg)