Annibale Giordano

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Annibale Giuseppe Nicolò Giordano (Ottaviano - San Giuseppe, 20 November 1769 – Troyes, 13 March 1835) was an Italian-French mathematician and revolutionary.

Life[]

Annibale Giordano was born 20 September 1769 in Ottaviano - San Giuseppe Vesuviano, to an educated middle-class family. His father Michele was a doctor who served both the king Ferdinand I of the Two Sicilies, and the Medici princes of Ottaviano. As a teenager, Annibale Giordano attended the school of Nicolò Fergola, a brilliant mathematician from Naples.[1] In 1789, the year of the French Revolution, he was appointed professor at the Nunziatella Military School, thus becoming a colleague of the chemist  [fr], a freemason.[2] In 1790, Giordano and Lauberg established an Accademia di chimica e matematica in Naples, which became a club for Neapolitan progressives and Freemasons; among the members were Mario Pagano, Emanuele De Deo|it, Francesco Lomonaco, Vincenzo De Filippis and Luigi de' Medici di Ottajano, then regent of the Gran Corte della Vicaria court. In 1792 Giordano and Lauberg wrote the Principi analitici delle Matematiche, in which they theorized the political commitment of mathematicians;[3] this essay was Annibale Giordano's last scientific work.

In December 1792, Giordano was one of the scholars who met the French admiral Latouche-Tréville; starting from those meetings, a conspiracy began, sketched in the birth in August 1793 of the Società Patriottica Napoletana, a Jacobin association, but structured on the model of Masonic lodges, with a hierarchy such that some secrets were known only by high-ranking members.[4] In February 1794, the Società Patriottica Napoletana split into two clubs. The ROMO (an acronym for Repubblica o Morte, i.e. "Republic or Death" was more radical and led by  [it], among whose members were also Emanuele De Deo,  [it] and Vincenzo Vitaliani). The LOMO (acronym for "Libertà o Morte", i.e. "Freedom or Death"), was more moderate and willing to accept a constitutional monarchy, and was led by Rocco Lentini, and joined by Annibale Giordano).

On 21 March 1794, authorities discovered the organization through a report by a certain Donato Froncillo; in the subsequent trial, some adherents of the ROMO (De Deo, Galiani and Vincenzo Vitaliani) were sentenced to death and executed, while Giordano was sentenced to twenty years[4] and transferred to the Forte spagnolo prison. Many sources state that Annibale Giordano told investigators the secrets of the Società Patriottica Napoletana[5] and that he gave the names of over 250 members,[6] including Luigi de' Medici, who was incarcerated.[7]

Back in Naples together with the general Championnet on 5 December 1798, a few days after being released from L'Aquila, Annibale Giordano actively joined the short-lived Neapolitan Republic of 1799 as a member of the military committee and then head of the Navy's accounting service. When the Republic fell (on June 1799), he was again imprisoned by the Bourbon king in Castel Nuovo together with eighteen other revolutionaries including Mario Pagano, Domenico Cirillo and  [it]. On 27 January 1800, he was sentenced to death by the junta; but the sentence was commuted to captivity on Favignana island; on July 1801, he left the island together with other political prisoners thanks to the Treaty of Lunéville. The non-execution was explained by many as a reward for Giordano's denunciation;[5] others state that it was due to intercession by his father or Fergola at the Bourbon court.[8] Giordano fled to France where he worked as cadastral surveyor in the French department of Aube; in 1824, he became a naturalized French citizen and changed his surname to Jourdan.

Mathematical advancements[]

In 1786, Giordano already presented to the Royal Academy of Sciences of Naples a memoir entitled Continuazione del medesimo argomento,[9] which opened the doors of the Academy to him. Shortly thereafter, in 1788, he became famous for solving the following problem: "Given a circle and n points of its plane, inscribe in this circle a polygon whose sides, possibly prolonged, pass, according to a certain order, through the given points";[10] this problem was a generalization of the "problem of Pappus", which had been already solved for the case of n=3 aligned points,[11] and the "problem of Castillon", solved by the latter in 1776, proposed to him by Cramer, for n=3 points but still arranged in the plane.[12] Carnot thought that "Ottajano", the birthplace of Giordano, was a noble predicate rather than a town, and he called the young mathematician "Ottajano" in his publications;[13] after this, he began to be referred to as "Ottajano" in subsequent scientific publications.[7]

Dedications[]

  • In the Italian town San Giuseppe Vesuviano, the high school Istituto Tecnico Commerciale Statale (ITCS) has been named after him.[citation needed]

Works[]

  • Annibale Giordano; Carlo Lauberg (1792). Principj analitici delle matematiche. 2. Naples: Gennaro Giaccio.

References[]

  1. ^ Federico Amodeo, Vita matematica napoletana : Studio storico, biografico, bibliografico. Napoli : Tip. F. Giannini e Figli, 1905, Vol. II, p. 59
  2. ^ Benedetto Croce, La vita di un rivoluzionario: Carlo Lauberg in Benedetto Croce, Vite di avventure di fede e di passioni, Bari: Laterza, 1936. Già in La Critica, 1934; ora anche nell'edizione a cura di Giuseppe Galasso, Milano: Adelphi edizioni, 1989, pp. 363-437, ISBN 88-459-0682-5
  3. ^ Analytical Principles of Mathematics by Annibale Giordano and Carlo Lauberg , Naples: Gennaro Giaccio, 1792
  4. ^ Jump up to: a b Tommaso Pedio, Massoni e giacobini nel Regno di Napoli. Emanuele De Deo e la congiura del 1794, Bari : Levante, 1986
  5. ^ Jump up to: a b Pietro Colletta, Storia del reame di Napoli dal 1734 sino al 1825, Firenze : F. LeMonnier, 1848, p. 186 e segg.(on-line)
  6. ^ Harold Acton, I Borboni di Napoli (1734-1825), Milano : Aldo Martello, 1960, p. 302 e segg. (on-line)
  7. ^ Jump up to: a b Federico Amodeo e Benedetto Croce, Carlo Lauberg ed Annibale Giordano prima e dopo la Rivoluzione del 1799, Archivio storico per le provincie napoletane (1898) XIII(1): 251-257
  8. ^ Federico Amodeo e Silvio Cola, La riabilitazione del matematico napoletano Annibale Giordano. Atti dell'Accademia Pontaniana (1912), serie 2, XVII, 1-28
  9. ^ In: Atti della Reale Accademia delle Scienze e Belle-Lettere di Napoli dalla fondazione sino all'anno 1787. In Napoli: presso Donato Campo stampatore della Reale Accademia, 1788, pp. 139-155 (on-line)
  10. ^ Considerazioni sintetiche sopra di un celebre problema piano, e risoluzione di alquanti altri problemi affini del Sig. D. Annibale Giordano di Ottajano, presentata dal Sig. Cavaliere Lorgna. In: Accademia nazionale delle scienze detta dei XL, Memorie di matematica e fisica della Società italiana, Vol. VIII, Verona : Dionigi Ramanzini, 1788, pp. 4-17 (on-line)
  11. ^ Pappus Alexandrinus, Pappi Alexandrini collectionis quae supersunt, e libris manu scriptis edidit Latina interpretatione et commentariis instruxit Fridericus Hultsch. Berlin: Weidmann, 2004, Liber VII, Propositio n. 117
  12. ^ Maurice Starck, Castillon's problem, WFNMC (World Federation of National Mathematics Competitions) Conference, Melbourne, 2004 (on-line Archived 2011-07-06 at the Wayback Machine)
  13. ^ Lazare Carnot, Géométrie de position, Paris: J.B.M. Duprat, 1803, p. 383 (on-line)

Bibliography[]

External links[]

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