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Lazare Carnot




Lazare Nicolas Marguerite Carnot (born May 13 , 1753 in Nolay ; died August 22 , 1823 in Magdeburg ) was a French Politician and Mathematician . He is best know for his role as "Organizer of Victory" in the French Revolutionary Wars .


EDUCATION AND EARLY LIFE

Carnot was educated in Burgundy and obtained a commission in the engineer corps of the Prince De Condé . Although in the army, he continued his mathematical studies in which he felt great interest. His first work, published in 1784 , was on Machine s; it contains a statement which foreshadows the principle of energy as applied to a falling weight, and the earliest proof of the fact that Kinetic Energy is lost in the collision of imperfectly elastic bodies.


POLITICAL CAREER

On the outbreak of the '', which amounted to a one-off Conscription . It added significantly to discontent with the course of the Revolution in more conservative areas — such as the Vendee , which Broke Out In Open Revolt — but the government of the time considered it a success, and Carnot became known as the "Organizer of Victory."

He had taken no steps to oppose the Reign Of Terror , but he, along with other technocrats on the committee like Robert Lindet and Prieur De La Côte D'Or , turned on Robespierre and his allies after 9 Thermidor . With the establishment of the Directory in 1795 , Carnot became one of the initial directors. His moderation proved his undoing, however, and he was one of the two directors ousted in the Fructidor coup of 1797 . (For a fuller discussion of the coup, what led to it, and a less favourable view of Carnot see French Directory ) He took refuge in Geneva , and there in 1797 issued his ''La métaphysique du calcul infinitésimal''.

In 1800 he was appointed Minister Of War by Bonaparte (originally his protégé), and served in that office at the time of the Battle Of Marengo , but his sincere republican convictions were inconsistent with the retention of office, and he resigned from public life, although he was later made a Count by Napoleon as Lazare Nicolas Marguerite, comte Carnot.

In 1803 he produced his ''Géométrie de position''. This work deals with projective rather than descriptive geometry, it also contains an elaborate discussion of the geometrical meaning of negative roots of an Algebra ic equation.

During the Hundred Days , he served as Minister Of The Interior for Napoleon, and was exiled after the Second Restoration . He died at Magdeburg in Prussia .


FAMOUS OFFSPRING

His son Sadi Carnot was responsible for the Second Law Of Thermodynamics . His second son Lazare Hippolyte Carnot was a French statesman. His grandson Marie François Sadi Carnot (son of Hyppolyte) was President of France from 1887 until his assassination in 1894 .


REFERENCES

  • The text of an earlier version of this article was taken from the Public Domain resource ''A Short Account of the History of Mathematics'' by W. W. Rouse Ball (4th Edition, 1908). ''Please update as needed.''



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