He was friend of Gaetano Filangieri, entering the masonry with him, and was elected venerable master of the Neapolitan lodge "La philantropia".
The suggestion which he made in it as to the need for reform in the Roman Catholic church brought upon him the censure of the ecclesiastical authorities, and it was condemned by the congregation of the Index in 1784.
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According to the Gaetano Filangieri Philosophical Society, one of Filangieri's ardent admirers was Benjamin Franklin, and the two corresponded from 1780 until Filangieri's death in 1788.
Albrecht von Haller was at one time the scretary and president of it, and in its long history it had contact with people like Carl Linnaeus, Voltaire, Victor de Riqueti, marquis de Mirabeau, Jean-Marie Roland, vicomte de la Platière, Gaetano Filangieri, and Arthur Young.
Gaetano Donizetti | Gaetano Vastola | Gaetano Previati | Gaetano "Tom" Reina | Gaetano Stefano Bartolozzi | Gaetano Scirea | Gaetano Saya | Gaetano Reina | Gaetano Filangieri | Gaetano Fidanzati | Gaetano Bavagnoli | Giordano Filangieri II | Gaetano Ungaro | Gaetano Rossi | Gaetano Ricciolini | Gaetano Pugnani | Gaetano Osculati | Gaetano Merola | Gaetano Kagwa | Gaetano Giulio Zumbo | Gaetano Fraschini | Gaetano Esposito | ''Gaetano Donizetti | Gaetano D'Agostino | Gaetano Cipolla | Gaetano Cicognani | Gaetano Badalamenti | Gaetano Adinolfi | Gaetano | Francesco Gaetano Caltagirone |