Charles Xavier Thomas de Colmar was a French inventor and entrepreneur best known for designing, patenting and manufacturing the first commercially successful mechanical calculator, the Arithmometer, and for founding the insurance companies Le Soleil and L'aigle which, under his leadership, became the number one insurance group in France at the beginning of the Second Empire.
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Wikipedia https://en.wikipedia.org/wiki/Charles_Xavier_Thomas
Address 2 Avenue de la Marne, Colmar 68000, France
Coordinates 48°4'31.821" N 7°21'14.558" E
