Thomas de Colmar Complete Biography, History, and Inventions

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Charles Xavier Thomas de Colmar was a French inventor and entrepreneur renowned for developing, patenting, and manufacturing the Arithmometer.

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He is most known for creating, patenting, and producing the Arithmometer, the first commercially successful mechanical calculator, and founding the insurance businesses Le Soleil and L’aigle.

Who was Thomas de Colmar?

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Charles Xavier Thomas de Colmar invented the Arithmometer in 1820.

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What did Thomas de Colmar invent?

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The Arithmometer was created to speed up and improve the accuracy of the massive quantity of daily computations required by insurance firms.

Why did Thomas de Colmar invent the Arithmometer?

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On March 12, 1870, Thomas de Colmar died at the age of 84, at one of his Paris properties, the Hôtel du 156 Boulevard Haussmann, of severe bladder illness.

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When did Thomas de Colmar die?

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