Ignace-Gaston Pardies
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Ignace-Gaston Pardies (5 September 1636 – 21 April 1673)Jesuit priest and scientist.
Career
Pardies was born in
undulatory theory of light (which identifies it as a harmonic vibration), form part of a general work on physics which he had planned. Traité complet d'Optique had been studied by Pierre Ango (1640–1694) a confrere of Pardies for his Book L`Optique[2] which he published in 1682 after Pardies early death. The Manuscript has also been mentioned by Christiaan Huygens in his Treatise on Light. Huygens himself mentioned in 1668 that it has been Pardies' Theory that the speed of light is finite.[3]
He initially opposed
Descartes
's views on animals, but did so very weakly, which led many to view it as a covert defence rather than a refutation, an impression which Pardies himself afterwards endeavoured to destroy. His Elémens de géométrie (Paris, 1671) was translated into Latin and English. He left in manuscript a work entitled Art de la Guerre and a celestial atlas comprising six charts, published after his death (Paris, 1673–74). His collected mathematical and physical works were published in French (The Hague, 1691) and in Latin (Amsterdam, 1694). He was a member of the academy of anatomist Pierre Michon Bourdelot.
In 1674, Pardies published the
star atlas Globi coelestis in tabulas planas redacti descriptio in Paris. The atlas was partially based on the work of another French Jesuit scientist Thomas Gouye.[4] The atlas was engraved by G. Vallet and dedicated to Johan Friedrich, Duke of Braunschweig-Luneburg. The constellation figures are drawn from Uranometria, but they were carefully reworked and adapted to a broader view of the sky.[4] In 1693, a newer edition was published and in 1700 another edition appeared. They include new information, such as the paths of comets observed since 1674. The atlas uses gnomonic projection so that the plates make up a cube of the universe. The atlas served as a model for the star charts of William Rutter Dawes published in 1844.[5] Pardies died of fever contracted whilst ministering to the prisoners of Bicêtre Hospital
, near Paris.
In 1690, the Elémens was translated into Manchu for the Kangxi Emperor under the title Gi ho yuwan ben bithe.[6]
Works
- Elémens de géométrie (in French). Paris: Sébastien Mabre-Cramoisy. 1683.
- Deux machines propres à faire les quadrans (in French). Paris: Sébastien Mabre-Cramoisy. 1687.
- Statique (in French). Paris: Sébastien Mabre-Cramoisy. 1688.
Images
- Globi coelestis in tabulas planas redacti descriptio
-
Plate 1: northern circumpolar sky -
-
Plate 3: equatorial region centred on right ascension 6h (Gemini) -
Plate 4: equatorial region centred on right ascension 12h (Virgo) -
Plate 5: equatorial region centred on right ascension 18h (Sagittarius) -
Plate 6: southern circumpolar sky
See also
Wikiquote has quotations related to Ignace-Gaston Pardies.
- List of Roman Catholic scientist-clerics
Notes
- ISBN 87-7492-047-2. (in French)
- ^ L'Optique at Google Books
- ^ "Cela s`accorde avec l`hypothese du P.Pardies que la lumiere ne s`estend pas dans un instant, ... This is according to the theory of Reverend Pardies, that light does not spread instantaneously, ..." https://archive.org/stream/oeuvrescompltesd16huyg#page/184/mode/2up
- ^ a b "Ignace Gaston Pardies: [Celestial Map of the Southern Hemisphere]". Barry Lawrence Ruderman Antique Maps Inc. Retrieved 1 May 2015.
- David Rumsey Map Collection. Retrieved 8 May 2015.
- ^ Marta E. Hanson, "The Significance of Manchu Medical Sources in the Qing," Proceedings of the First North American Conference on Manchu Studies (Portland, OR, 9–10 May 2003) (Harrassowitz, 2006), Vol. 1, pp. 131–175, at 143–144. Photograph
References
- Attribution
This article incorporates text from a publication now in the public domain: Herbermann, Charles, ed. (1913). "Ignace-Gaston Pardies". Catholic Encyclopedia. New York: Robert Appleton Company. cites:
- Sommervogel, Bibliothèque de la Compagnie de Jésus (Brussels, 1895)
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