Jean-Baptiste Guimet French

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 industrial chemist

Chemist

A chemist is a scientist trained in the study of chemistry. Chemists study the composition of matter and its properties such as density and acidity. Chemists carefully describe the properties they study in terms of quantities, with detail on the level of molecules and their component atoms...

, was born at Voiron

Voiron

Voiron is a commune in the Isère department in south-eastern France.- History :Voiron long formed part of Savoy, but in 1355 was exchanged by the count with France for Faucigny and Gex.Historical population:* 1901: 12,625- Geography :Voiron stands at a height of 950 ft., on the Morge Voiron...

, Isère

Isère

Isère is a department in the Rhône-Alpes region in the east of France named after the river Isère.- History :Isère is one of the original 83 departments created during the French Revolution on March 4, 1790. It was created from part of the former province of Dauphiné...

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He studied at the École Polytechnique

École Polytechnique

The École Polytechnique is a state-run institution of higher education and research in Palaiseau, Essonne, France, near Paris. Polytechnique is renowned for its four year undergraduate/graduate Master's program...

 in Paris

Paris

Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...

, and in 1817 entered the Administration des Poudres et Salpêtres. In 1828 he was awarded the prize offered by the Société d’encouragement pour l’industrie nationale for a process of making artificial ultramarine

Ultramarine

Ultramarine is a blue pigment consisting primarily of a double silicate of aluminium and sodium with some sulfides or sulfates, and occurring in nature as a proximate component of lapis lazuli...

 with all the properties of the substance prepared from lapis lazuli

Lapis lazuli

Lapis lazuli is a relatively rare semi-precious stone that has been prized since antiquity for its intense blue color....

; and six years later he resigned his official position in order to devote himself to the commercial production of that material, a factory for which he established at Fleurieu-sur-Saône

Fleurieu-sur-Saône

Fleurieu-sur-Saône is a commune in the Rhône department in eastern France.-External links:*...

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His son Émile Étienne Guimet

Émile Étienne Guimet

Émile Étienne Guimet was a French industrialist, traveler and connoisseur.He was born at Lyon and succeeded his father in the direction of his "artificial ultramarine" factory...

succeeded him in the direction of the factory.