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David Rivault de Flurence , or David Rivault , born in 1571 probably with Cropte, close to Laval, or in the surroundings, and dead in January 1616 with Turns, is a man of letters and Mathématicien French.

Biography

Origin

He is undoubtedly related with Pierre Rivault de Flurence, gentleman ordinary of the Room of the King, Maître of National Forestry Commission of Mayenne. On the end of his life, say one, David Rivault and Jean his brother, would have liked to provide himself with a title.

Education

He accepted a looked after education, and, was high, says one, among the familiar ones of the count de Laval. After having finished its studies, the party of the weapons embraced. Any young person, it wrote the Fâché in love which one knows only the title mentioned by his author.

Italy

The desire to acquire new knowledge led it in Italy and Sicily. In addition to mathematics, which he had studied carefully, he had the Greek, Latin and the Eastern languages. While it was with Rome, it acquired Arab manuscripts, inter alia a collection of proverbs of Abou-Obaïd and an Arab dictionary, that it translated into Latin by a Maronite. It communicated then this work with Isaac Casaubon, which requested Erpenius to publish it. Rivault is qualified in the foreword:

Vir clarissimus and doctissimus, linguarum orientalium valde studiosus

Holland

In Paris, where it was of return in 1599, it published the Discours of the point of honor . Claude d' Expilly refers, at the end of sound 30e plea to the feeling of Rivault de Flurence. Rivault went on a journey in Holland towards the end of 1602, and it went to Leyde to see Scaliger with which it discusses astronomy.

Firearms

The friendship of Casaubon, well in court, much undoubtedly contributed to the advance of Rivault. The November 20th 1603, it was named by Henri IV gentleman of the room of the king. To prove its recognition with the king, he studied the question of the firearms, and published in Paris in 1605, the elemens of the Artillerie concernans as well the theory as the practice of the gun .

In Hungary, with Guy XX of Laval

The August 29th 1605, it accompanied in quality by résorier the young person count de Laval, which went in Hungary, to be useful to with it like volunteer in the armies of the Emperor. The count was killed by the Turks in front of Comorn the December 3rd 1605; and Rivault, which fought close to him, was wounded of two blows of Cimeterre and a blow of axe. It brought back the body of its guard to Laval, and benefitted from the leisures which peace left him to deliver to the culture sciences.

Travel to Raising

David Rivault embarked again with Marseilles, in 1608, for the Levan T, visited the seas of the East, fought against the Turks by sea and by grounds, ran several risks in various kinds.

Academy of the humorists

It went on a second journey to Rome in 1610, and was allowed with the Académie of the humorists. The day that it took meeting there, the February 28th, it made a Latin speech of reception dedicated to Jean Zamet: Minerva annotated, sive conjungendis litteris and armis , which was printed (Rome, 1610, in-8°).

Tutor of Louis XIII

Of return to Paris, it was named under-tutor of Louis XIII and its mathematics professor, with a treatment of three thousand books per patent of the April 28th 1611. The memories of the court show it to us assiduous with its functions.

It succeeded the November 4th 1612 Nicolas Lefèvre in the load of tutor as a chief of the young king. The August 4th 1612, it obtained the title to advise State and private.

Precursor of the French Academy

At that time, Rivault proposed to establish an academy which would extend to all sciences, except theology. It drew up the statutes and made the opening speech of them. It prepared the way with Richelieu and the French Academy. With the assistance of Mr. Chaumont, under-tutor, of the Father Knitting machine, which attended all the lessons, and of the nuncio Ubaldini, it put in the education of the king the spirit of continuation which up to that point had been lacking.

Retirement

It was an access of anger of Louis XIII for a futile subject and the feeling of its own dignity which justified the retirement of Rivault de Fleurance. The royal pupil had a dog which he loved much. This animal often inconvenienced Rivault while it gave its lessons, and a day, to get rid some, it gave him a kick. The king carried himself against Rivault at the point to strike it. This one presented its resignation and left the court. He reconciled himself however with the king, who promised to him, says one, one évêché. The publication of works of Archimedes with translation, notes and prolegomenes and the comments of Eutoce d' Ascalon, were the work of its retirement. It dedicated its book to its pupil.

It had accompanied to the border Madam Elisabeth, married with the king d' Espagne, whose sister Anne of Austria, became queen of France. While returning from these festivals prinicères, it fell sick and died in Tours in January 1616 at the 45 years age.

Publications

In addition to an edition of works of Archimedes, with a Latin translation and notes, Paris, 1615, in-fol., which was reproduced in 1646 by the Father Claude Richard, with corrections, one has of Rivault:

the States esquels is discoursed of the prince, noble and the third state, in accordance with our time , Lyon, 1595 or 1596, in-12 392 pages;
Speech of the point of honor, concerning the means of knowing it well and of practicing , Paris, 1599, in-12;
elemens of the Artillerie concernans as well the theory as practice of the gun . 1605, in-8°; 2nd edition, increased the invention description & demonstration of a new artillery which takes care only of air or pure water, & with neantmoins a incroiable force. More than one new way of pouldre has gun very-violent which gold faict, by excellent & rare artifice not communicated jusques now. The history of will progrez & the first uses of the firearms as well recent as old, is deduitte in the foreword. The whole by the sior of Flurance Rivault , Paris, Adrien Beys, 1608, in-8°, 16-195 p. and 2 drawings.
Letter with Madam the marshal's wife de Fervacques, containing a short speech of the voyage in Hungary of fire the count of Laval his son , ibid, 1607, in-12;
art to embellish drawn from the direction of this Crowned Paradox. The Wisdom of the person, embellishes her face. Estendu in toutte kind of beauty, & be average to make that the body withdraws in effect its embellishment of beautiful qualitez of the Heart. By Sieur de Flurance Rivault . Paris, Julien Bertault, in 12, 1608.
the Intention, of an academy and introduction of icelle in the court . Ibid, 1612, in-8 26 pages.
Lesson made by Rivault in the first opening of the royal Academy to the Louvre the May 6th 1612 , in-8 26 pages;
the Precepts of Agapetus, put in French by ordinary Louis XIII, and his lessons, in-8 23 pages;
Quœdam ex governed lectionibus christianissimi , in-8 17 pages;
the Table of Cébes ;
Remonstrance of Basile emperor of the Romans to be used for education not only of the roys, but still of all their subjects translation made of Greek as a François by the express command of very majestic & very right Louis XIII, King de France & of Navarre , 1612, in-8°. Paris, Antoine Estienne, 1649;
Speeches made to the king in the form of catecheses on the subject of the fourth command of God , ibid, 1614, in-8 115 pages;
Opera quae extant omnia. Commentarissque Novis demonstrationibus illustrata per Davidem Rivaltum has Flurantia. Operum Catalogus sequenti paginated habetur. of Archimedes. Parisiis: Apud Claudium Morellum. 1615.

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