INVENTOR

Charles Xavier Thomas

1785 - 1870

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Charles Xavier Thomas de Colmar (May 5, 1785 – March 12, 1870) was a French inventor and entrepreneur best known for designing, patenting, and manufacturing the first commercially successful mechanical calculator, known as the Arithmometer. Additionally, he founded the insurance companies Le Soleil and L'aigle, which, under his leadership, became the number one insurance group in France during the early years of the Second Empire. Read more on Wikipedia

His biography is available in different languages on Wikipedia. Charles Xavier Thomas is the 210th most popular inventor (down from 194th in 2019), the 2,797th most popular biography from France (down from 2,524th in 2019) and the 29th most popular French Inventor.

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Among INVENTORS

Among inventors, Charles Xavier Thomas ranks 210 out of 426. Before him are Max Skladanowsky, Reginald Fessenden, Juan de la Cierva, 1st Count of la Cierva, Royal Rife, James Dyson, and Édouard Branly. After him are Helmut Gröttrup, Lou Ottens, Yuan Longping, Ernst Alexanderson, Slavoljub Eduard Penkala, and David Schwarz.

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Contemporaries

Among people born in 1785, Charles Xavier Thomas ranks 32. Before him are Nicholas Aylward Vigors, William Prout, Victor de Broglie, Étienne Constantin de Gerlache, Archduke Karl of Austria-Este, and Prince Paul of Württemberg. After him are Adam Wilhelm Moltke, Agustín Gamarra, Edward Bransfield, August Böckh, Vicente López y Planes, and Hermann, Fürst von Pückler-Muskau. Among people deceased in 1870, Charles Xavier Thomas ranks 32. Before him are David Farragut, Justo José de Urquiza, Konstantin Ushinsky, Friedrich Boie, Victor de Broglie, and Paul-Émile Botta. After him are Pieter Bleeker, Karel Jaromír Erben, Arthur Saint-Léon, Aasmund Olavsson Vinje, Prince Frederick of Württemberg, and Cesare Pugni.

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In France

Among people born in France, Charles Xavier Thomas ranks 2,797 out of 6,770. Before him are Louis Antoine de Noailles (1651), Alain Robert (1962), Princess Françoise of Orléans (1844), Fud Leclerc (1924), Gilbert de la Porrée (1070), and Jean-Baptiste Dubos (1670). After him are Alexandre Darracq (1855), John Francis Regis (1597), Élie, duc Decazes (1780), Michel Zevaco (1860), Albinus of Angers (470), and Gustave Aimard (1818).

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Among INVENTORS In France

Among inventors born in France, Charles Xavier Thomas ranks 29. Before him are Joseph Monier (1823), Guillaume Amontons (1663), Charles Cros (1842), Émile Baudot (1845), Georges Claude (1870), and Édouard Branly (1844). After him are Wan Hu (1510), Georges Hébert (1875), François Isaac de Rivaz (1752), Alphonse Beau de Rochas (1815), Henri Fabre (1882), and Louis Lumière (1864).

French born Inventors

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