Profile last modified 9 Aug 2019
| Created 11 Jan 2019
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Charles Thomas is Notable.
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.