Charles Louis de Fourcroy
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Charles Louis de Fourcroy (b. 1766 d. unknown); French mathematician and scholar; born in the French countryside in 1766. Author of Essai d'une table poléométrique, a treatise on engineering and civil construction, published in 1782, which is remarkable for its period in its use of graphs to list the achievements of civil engineers of bridges and roads from 1740 to 1780 and its cross sectional and mathematical analysis of the growth of urban areas.
Awarded the title Chevalier de la Legion d'honneur by Napoleon and the Arch Chancellor of France, the Prince in 1810, while Consul in Cologne. He was also awarded a crest with three argent crescents upon a blue background, intersected by a golden peak above the symbol of the Legion d'Honneur on a gules background.
The Harrow School Archives have the grant of arms to the Chevalier, Charles de Fourcroy, signed by Napoleon.
[edit] Sources
From Palsky (1996): Des Chiffres et des Cartes, p.51-52
http://www.math.yorku.ca/SCS/Gallery/milestone/fourcroy.html
Grant of Arms to Charles de Fourcroy, (1810)
Essai d'une table poléométrique (1782)