Antoine de Laloubère
Encyclopedia
Antoine de Laloubère a Jesuit, born in Languedoc
Languedoc
Languedoc is a former province of France, now continued in the modern-day régions of Languedoc-Roussillon and Midi-Pyrénées in the south of France, and whose capital city was Toulouse, now in Midi-Pyrénées. It had an area of approximately 42,700 km² .-Geographical Extent:The traditional...

, 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
Helix
A helix is a type of smooth space curve, i.e. a curve in three-dimensional space. It has the property that the tangent line at any point makes a constant angle with a fixed line called the axis. Examples of helixes are coil springs and the handrails of spiral staircases. A "filled-in" helix – for...

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De Laloubère died at Toulouse
Toulouse
Toulouse is a city in the Haute-Garonne department in southwestern FranceIt lies on the banks of the River Garonne, 590 km away from Paris and half-way between the Atlantic Ocean and the Mediterranean Sea...

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See also



This article is based on a public domain
Public domain
Works are in the public domain if the intellectual property rights have expired, if the intellectual property rights are forfeited, or if they are not covered by intellectual property rights at all...

 article from Rouse History of Mathematics.
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