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Papers by Paolo Del Santo

arXiv (Cornell University), Mar 5, 2024

Journal of Astronomical History and Heritage, Sep 1, 2022

arXiv: History and Philosophy of Physics, Jan 16, 2021

The alleged use of Keplerian telescopes by Fabio Colonna (c. 1567-1640), in Naples, since as earl... more The alleged use of Keplerian telescopes by Fabio Colonna (c. 1567-1640), in Naples, since as early as October 1614, as claimed in some recent papers, is shown to be in fact untenable and due to a misconception.

In the last few years it has been alleged the possible identification of the sitter in Jusepe de ... more In the last few years it has been alleged the possible identification of the sitter in Jusepe de Ribera's Allegory of Sight with the Neapolitan optician Francesco Fontana (c. 1585-1656), known for contributing to the diffusion of the Keplerian telescope. The present paper aims to demonstrate the impossibility of this identification, grounded on the erroneous assumption that Fontana was already renowned as an optician around the mid-1615s, and, on the basis of known sources, suggests a more reasonable chronology of his activity, which postpones the spreading of his fame out of Naples to the end of the next decade.

On an Unpublished Letter of Francesco Fontana to the Grand-Duke of Tuscany Ferdinand II de' Medici, 2009

The alleged use of Keplerian telescopes by Fabio Colonna (1567–1640), in Naples, since as early a... more The alleged use of Keplerian telescopes by Fabio Colonna (1567–1640), in Naples, since as early as October 1614, as claimed in some recent papers, is shown to be in fact untenable and due to a misconception. At the 37th Annual Conference of the Società Italiana degli Storici della Fisica e dell'Astronomia (Italian Society of the Historians of Physics and Astronomy, SISFA), held in Bari in September 2017, Mauro Gargano gave a talk entitled Della Porta, Colonna e Fontana e le prime osservazioni astronomiche a Napoli. This contribution, which appeared in the Proceedings of the Conference (Gargano, 2019a), was then followed by a paper —actually, very close to the former, which, in turn, is very close to a previous one (Gargano 2017)— published, in the same year, in the Journal of Astronomical History and Heritage (Gargano 2019b). In both of these writings, Gargano claimed that Fabio Colonna (1567–1640), the Neapolitan naturalist, member of the Accademia dei Lincei, would have made o...

Nuova informazione bibliografica, 2004

arXiv (Cornell University), Mar 5, 2024

Journal of Astronomical History and Heritage, Sep 1, 2022

arXiv: History and Philosophy of Physics, Jan 16, 2021

The alleged use of Keplerian telescopes by Fabio Colonna (c. 1567-1640), in Naples, since as earl... more The alleged use of Keplerian telescopes by Fabio Colonna (c. 1567-1640), in Naples, since as early as October 1614, as claimed in some recent papers, is shown to be in fact untenable and due to a misconception.

In the last few years it has been alleged the possible identification of the sitter in Jusepe de ... more In the last few years it has been alleged the possible identification of the sitter in Jusepe de Ribera's Allegory of Sight with the Neapolitan optician Francesco Fontana (c. 1585-1656), known for contributing to the diffusion of the Keplerian telescope. The present paper aims to demonstrate the impossibility of this identification, grounded on the erroneous assumption that Fontana was already renowned as an optician around the mid-1615s, and, on the basis of known sources, suggests a more reasonable chronology of his activity, which postpones the spreading of his fame out of Naples to the end of the next decade.

On an Unpublished Letter of Francesco Fontana to the Grand-Duke of Tuscany Ferdinand II de' Medici, 2009

The alleged use of Keplerian telescopes by Fabio Colonna (1567–1640), in Naples, since as early a... more The alleged use of Keplerian telescopes by Fabio Colonna (1567–1640), in Naples, since as early as October 1614, as claimed in some recent papers, is shown to be in fact untenable and due to a misconception. At the 37th Annual Conference of the Società Italiana degli Storici della Fisica e dell'Astronomia (Italian Society of the Historians of Physics and Astronomy, SISFA), held in Bari in September 2017, Mauro Gargano gave a talk entitled Della Porta, Colonna e Fontana e le prime osservazioni astronomiche a Napoli. This contribution, which appeared in the Proceedings of the Conference (Gargano, 2019a), was then followed by a paper —actually, very close to the former, which, in turn, is very close to a previous one (Gargano 2017)— published, in the same year, in the Journal of Astronomical History and Heritage (Gargano 2019b). In both of these writings, Gargano claimed that Fabio Colonna (1567–1640), the Neapolitan naturalist, member of the Accademia dei Lincei, would have made o...

Nuova informazione bibliografica, 2004