Giovanni Antonio Lecchi


Giovanni Antonio Lecchi or Giannantonio Lecchi (Milan, 17 November 1702 - 24 July 1776) was an Italian jesuit and mathematician [1].

Portrait of Giovanni Antonio Lecchi

He lived and worked with success in Milan rising to a notable level of prominence [2].

Life
Trigonometriae theorico-practicae planae et sphericae, 1756

Born in Milan, his family owned Villa Lecchi in Crescenzago. After completing his studies at the Jesuit College of Brera in Milan, he joined the Society of Jesus in 1718, professing the vows in 1736.

He taught humanities in Pavia and Vercelli and later mathematics and eloquence in Milan. His first work was published in Milan in 1739 and it was about the theory of light ("Theoria lucis, opticam, perspectivam, catoptricam, dioptricam complecten") [3].

The empress Maria Theresa called him in Vienna nominating him the imperial mathematician and hydrographer. Later, Pope Clement XIII appointed him the director of hydraulic works, but he renounced the appointment with the advent of Pope Clement XIV.

He died in 1776 [4].

Works
  • Lecchi, Giovanni Antonio (1756). Trigonometriae theorico-practicae planae et sphericae (in Latin). Mediolani: Giuseppe Marelli. Retrieved 18 June 2015.
  • Lecchi, Giovanni Antonio (1758). De sectionibus conicis (in Latin). Mediolani: Giuseppe Marelli. Retrieved 18 June 2015.
  • Elementa geometriae theoricae, et practicae. Ad usum universitatis Braydensis. Mediolani
  • Lettera di risposta del P. Antonio Lecchi [.] al Chiarissimo Signor Giannandrea Boldrini Intorno alle arginature del Po ne' confini del Piacentino e del milanese. Milano, nella stamperia di Giuseppe Marelli, 1761.
  • Lecchi, Giovanni Antonio (1761). Lettera intorno alle arginature di Po ne' confini del Piacentino e del Milanese. Retrieved 18 June 2015.
gollark: Everyone make their own voting system. We can have them all go live on election day then decide which to use with a vote.
gollark: Kepler: we won't.
gollark: Chorus City's dictatorship works excellently.
gollark: No.
gollark: Let's vote on which method to vote with.

References
  1. "Lecchi, Antonio (1702 - 1776) in CERL Thesaurus".
  2. "LECCHI, Giovanni Antonio. In Dizionario Biografico degli italiani. Volume 64 (2005)".
  3. Mario Di Fidio, Claudio Gandolfi (2014). "Idraulici italiani" (PDF). Fondazione BEIC. p. 197.
  4. "LECCHI, Giovanni Antonio. In Dizionario Biografico degli italiani. Volume 64 (2005)".
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