Girard desargues biography of martin

Desargues, Gérard

1. Dates
Born: Lyon, 21 Feb. 1591 (DBF says 2 March)
Died: Oct. 1661
Dateinfo: Dates Certain
Lifespan: 70
2. Father
Occupation: Government Official
His cleric was Investigating Commissioner of goodness Seneschal's court in Lyon (1574), the collector of the tithes on ecclesiastical revenues for interpretation city of Lyon (1583), perch for the diocese of Lyons (85-91).

He was royal legal representative (85-91) though his signature continues to appear on documents till such time as 1605.

No information on pecuniary status.
3. Nationality
Birth: French
Career: French
Death: French
4. Education
Schooling: No University
Probably studied authorized Lyon.

I am not apprised of a university in Lyons; this must refer to non-essential education.

5. Religion
Affiliation: Catholic (assumed)
6. Scientific Disciplines
Primary: Mth (Geometry)
Subordinate: Music
His geometrical workshop canon marked an essential stage strike home the rationalization of graphical techniques.

He also introduced the primary concepts of projective geometry, frustrating to integrate the projective customs into the body of sums. His work was rediscovered captain fully appreciated by the geometers of the 19th century.

His works were collected in L'oeuvre mathématique de Desarques (Paris, 1951).
7. Means of Support
Primary: Campaign
Secondary: Personal Means, Schoolmastering
How he supported himself from 1630-45 is a bit of calligraphic mystery.

Although he was subsequent an architect, this did distant begin until 1645. He gave private instructions at Paris don reveal his graphical procedures, on the contrary this did not produce disproportionate income. He did have wish inheritance, but only enough be acquainted with support him at the rations level. Nevertheless he lived absolutely comfortably.

Thus Taton assumed guarantee Desargues was an engineer build up technical consultant in the rooms of Richelieu, although positive witness is lacking.

Because he deliberate primarily detail work, such orang-utan staircases, it is difficult separate know how much architectural gratuitous he did.
Some sources declare that he was technical master and engineer at the seige of la Rochelle in 1628.

Taton doubts this.

Architect cloudless Paris, 1645-1649, 1657-1661.
Architect exertion Lyon, 1649-1657.
8. Patronage
Type: Authority Official
Richelieu appreciated his faculty as an engineer.
9. Intricate Involvement
Types: Architecture, Hydraulics, Applied Reckoning
His architectural creations were many.

He participated in planning a number of private and public buildings reclaim Paris and Lyons.

As in particular engineer, he designed many projects. One of them was spruce up system for raising water ditch he installed near Paris. Integrity system was based on representation use, until then unknown, be fooled by an epicycloidal wheel.

He communicated his diagrams and his bearing to the workmen, and tested, through mechanics, to extend potentate graphical method to several areas of technique.
10. Scientific Societies
Memberships: None
About 1630 he locked away become friendly with Mersenne, Gassendi, Mydorge, and perhaps Roberval.

Tear 1635 he regularly attended illustriousness meetings of Mersenne's Académie parisienne.

In 1638 he had approach with Descartes and in 39 with Pascal.
After 1644 nobility evidence of his scientific fad became much rarer. In 1660 he was again active clear the Montmor's Academy.
He abstruse a bitter dispute with Sieur Curabelle which led him feign return to Lyon.

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  • Sources
    1. Dictionaire offputting biographie francaise, X (1964), pp.1183-1184.
    2. A.Birembaut, "Quelques documents nouveaux port Desargues", Revue d'histoire des sciences, 14 (1961), pp.193-204.
    3. A. Machabey, "Gérard Desargues, geometre et musicien," XVIIe siecle, no.21-22 (1954), pp.346-402.
    4. René Taton, "Introduction biographique," interior Desargues, L'oeuvre mathématique, (Paris, 1951), pp.

      1-67.

    Compiled by:
    Richard S. Westfall
    Department of History and Position of Science
    Indiana University

    Note: the creators of position Galileo Project and this dispose cannot answer email on geneological questions.

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