Charles Dupin (1784–1873) and His Influence on France: The Contributions of a Mathematician, Educator, Engineer, and Statesman
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Charles Dupin (1784–1873) and His Influence on France: The Contri ...

Chapter 1:  A Brief Introductory Survey of Dupin’s Life
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entitled Situation progressive des forces de la France depuis 1814 (The progressive situation in the strength of France since 1814), followed by an account, Forces électorales à la fin de 1827 (The voting population of France at the end of 1827). In the latter, he wrote,

France has the greatest efforts to make to raise herself, through elementary education, to the level of peoples whom we regard as ignorant. In this respect, we are beneath the Irish and the Austrians; forty years ago, seven million French people could read; twelve million can today, but 26 million should be able to do so. Let us work to provide for 14 million of our fellow citizens the first and most essential knowledge. In ten years, we must do more than our forbears did in 40. (Dupin 1828b, 1; PJ 3)

Dupin was much attached to family life. He often enjoyed the company of his two brothers, either at Chitry-les-Mines, a small canal port in the Nièvre, or at the Château du Réconfort, a property he acquired in 1825. The Château du Réconfort was not far from Corbigny, also in the Nièvre, where he spent his last years. He married rather late in life, at the age of forty-six, a young woman of twenty-three, Rosalie-Anne Joubert, the only daughter of tradespeople in Angers (Perrin 1983, 18). There were three children of their union: Catherine-Rosalie-Anne-Marie Dupin (1832–1904), who married Comte Pierre du Hamel de Breuil in 1855; Charlotte Dupin (1834–1907), who married the Marquis Gaston-Félix de Lentilhac in 1858; and Charles-André Dupin (1835–1869). In his will, Dupin stated, ‘It is my deeply felt desire that one of my grandsons should bear my name and my title of Baron, to keep alive the memory of all that our family has done for this dear country’ (AN MC/ET/XLVI/1170, 4 December 1871). The son died childless, and the Dupin name has now died out.

It has proved to be very difficult to find much information about Dupin’s family life, but one letter from his wife, addressed to Mme. de Prony and dated 22 June, indicates that the couple shared friendships. The year is not given in the letter, although its content indicates that it was written around 1850. It refers to Dupin’s involvement in the