Gilles Personne de Roberval was a French mathematician, born at Roberval near Beauvais on 10 August 1602 and dying on 27 October 1675. He took his name from his birthplace, was present like Descartes at the siege of La Rochelle in 1627, and was appointed to the philosophy chair at Gervais College in Paris in 1631 and to the chair of mathematics at the Royal College of France in 1634, keeping it until his death. He worked on the quadrature of surfaces and the cubature of solids by an original method he called the Method of Indivisibles, but lost much of the credit because he kept it to himself while Bonaventura Cavalieri published a similar method. He also found a general method of drawing tangents by treating a curve as traced by a moving point, and a way of deriving one curve from another, to which Torricelli gave the name Robervallian lines. He was on ill terms with Descartes.
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Gilles Personne de Roberval (August 10, 1602 – October 27, 1675) was a French mathematician born at Roberval near Beauvais, France.
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1. MacTutor History of Mathematics: Gilles de Roberval biography
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Home Biographies History Topics Map Curves Search Gilles Personne de Roberval Quick Info Born 10 August 1602 Noël-Saint-Martin, Villeneuve-sur-Verberie, Oise, France Died 27 October 1675 Paris, France Summary Gilles Roberval was a French scientist who
Biography, gender
The reason is that Gilles Roberval was named Gilles Personne and this was the name under which he was known for at least the first twenty-five years of his life, only adding the "de Roberval" after 1628.
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Gilles Personne de Roberval (August 10, 1602, October 27, 1675) was a French mathematician born at Roberval near Beauvais, France.
In Branch: Calculus, Lead, field of work
of solids, which he accomplished, in some of the simpler cases, by an original method which he called the "Method of Indivisibles"; but he lost much of the credit of the discovery as he kept his method for his own use, while Bonaventura Cavalieri published
In Branch: Geometry, Lead, field of work
Another of Roberval’s discoveries was a very general method of drawing tangents, by considering a curve as described by a moving point whose motion is the resultant of several simpler motions.
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