Antoine de Laloubère

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Veterum geometria promota in septem de cycloide libris, 1660

Antoine de Laloubère (24 August 1600 – 2 September 1664), a Jesuit, born in Languedoc, is chiefly known for an incorrect solution of Pascal's problems on the cycloid, which he gave in 1660, but he has a better claim to distinction in having been the first mathematician to study the properties of the helix.

De Laloubère died at Toulouse.


See also[edit]


  1. ^ Le titre complet est : Quadratura Circuli Et Hyperbolae Segmentorum ex dato eorum centro gravitatis, una cum inventione proportionis et centri gravitatis in portionibus sphaerae plurimorumque periphericorum, nec non tertragonismo absoluto certae cujusdam cylindri partis: Demonstrata atque ad calculum reducta adjumento librae Archimedeae et a materia divulsae, quam praesenti Opere restaurat atque amplificat
This article is based on a public domain article from Rouse History of Mathematics.