Guillaume de L'Hôpital, marquis de L'Hôpital

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Guillaume François Antoine de L'Hôpital

Birthdate:
Birthplace: Paris, Île-de-France, France
Death: Died in Paris, Île-de-France, France
Immediate Family:

Son of Anne-Alexandre de L'Hôpital, comte de Sainte-Mesme and 'Élisabeth de L'Hôpital
Husband of Marie-Charlotte de La Romilley Chesnelaye, marquise de L'Hospital
Father of Paul-François de Galluccio, marquis de L'Hôpital

Occupation: marquis de Sainte-Mesme, comte d'Entremont, seigneur d'Oucques, La Chaise, Le Bréau et autres lieux 1661-1704), Mathematician
Managed by: Justin Swanström
Last Updated:

About Guillaume François Antoine de L'Hôpital

He is said to have been related to Michel de L'Hôpital, Chancellor of France, but the heraldry of the two families suggests there was no relationship.

http://fr.wikipedia.org/wiki/Guillaume_Fran%C3%A7ois_Antoine,_marquis_de_L%27H%C3%B4pital

For information on his coat of arms, including the family's purported connection to the royal family of Naples, see http://www.numericana.com/arms/lhospital.htm.

Wikipedia Biographical Summary:

"...Guillaume François Antoine, Marquis de l'Hôpital[ (?, 1661, Paris – 2 February 1704, Paris) was a French mathematician. His name is firmly associated with l'Hôpital's rule for calculating limits involving indeterminate forms 0/0 and ∞/∞. Although the rule did not originate with l'Hôpital, it appeared in print for the first time in his treatise on the infinitesimal calculus, entitled Analyse des Infiniment Petits pour l'Intelligence des Lignes Courbes. This book was a first systematic exposition of differential calculus.

L'Hôpital was born into a military family. His father was Anne-Alexandre de l'Hôpital, a Lieutenant-General of the King's army, Comte de Sainte-Mesme and the first squire of Gaston, Duke of Orléans. His mother was Elisabeth Gobelin, a daughter of Claude Gobelin, Intendant in the King's Army and Councilor of the State..."

SOURCE: http://en.wikipedia.org/wiki/Guillaume_de_l%27H%C3%B4pital

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Guillaume de L'Hôpital, marquis de L'Hôpital's Timeline

1661
1661
Paris, Île-de-France, France
1693
1693
Age 32
1704
February 2, 1704
Age 43
Paris, Île-de-France, France
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