Marie Pasteur
Encyclopedia
Marie Laurent,a.k.a. Madame Marie Pasteur', (Clermont Ferrand, France
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...

, 15 January 1826 – married Strasbourg 29 May 1849, aged 23, buried at the crypt of the Institute Pasteur, 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...

, 28 September 1910, aged 84), one of the daughters of the Rector of the Strasbourg Academy was the wife of famous French chemist and bacteriologist Louis Pasteur
Louis Pasteur
Louis Pasteur was a French chemist and microbiologist born in Dole. He is remembered for his remarkable breakthroughs in the causes and preventions of diseases. His discoveries reduced mortality from puerperal fever, and he created the first vaccine for rabies and anthrax. His experiments...

.

Marie worked as a secretary and science writer to her husband, she worked with him on expanding his first researches, around 1848, on the remarks previously made by Mitscherlich on the different optical properties concerning polarized light of tartaric acid
Tartaric acid
Tartaric acid is a white crystalline diprotic organic acid. It occurs naturally in many plants, particularly grapes, bananas, and tamarinds; is commonly combined with baking soda to function as a leavening agent in recipes, and is one of the main acids found in wine. It is added to other foods to...

 when it came from natural wines, wine
Wine
Wine is an alcoholic beverage, made of fermented fruit juice, usually from grapes. The natural chemical balance of grapes lets them ferment without the addition of sugars, acids, enzymes, or other nutrients. Grape wine is produced by fermenting crushed grapes using various types of yeast. Yeast...

 lees and when it was synthesized in a laboratory.

It seems that for years afterward, famous crystallographer, physicist and mathematician Jean Baptiste Biot, Madame Marie Pasteur and Louis' father, Jean Joseph cooperated in providing Louis with moral support.

(For instance in a letter by Biot to Louis father: "your son is ours also and we share with Marie all our love for him, too"). There was also philosopher Charles Chappuis in this support network around Louis.

Their eldest daughter Jeanne, died from typhoid fever
Typhoid fever
Typhoid fever, also known as Typhoid, is a common worldwide bacterial disease, transmitted by the ingestion of food or water contaminated with the feces of an infected person, which contain the bacterium Salmonella enterica, serovar Typhi...

, aged 9, at Arbois
Arbois
Arbois is a commune in the Jura department in Franche-Comté in eastern France. The Cuisance River passes through the town, which has some pretty streets lined with ancient houses...

. Then, in 1865, 2 year old Camile died also followed by 12 and a half years old Cécile on 23 May 1866. Only Jean Baptiste and Marie Louise lived to be adults.

Jean Baptiste would be a soldier in the Franco-Prussian War
Franco-Prussian War
The Franco-Prussian War or Franco-German War, often referred to in France as the 1870 War was a conflict between the Second French Empire and the Kingdom of Prussia. Prussia was aided by the North German Confederation, of which it was a member, and the South German states of Baden, Württemberg and...

 between France
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...

 and Prussia
Prussia
Prussia was a German kingdom and historic state originating out of the Duchy of Prussia and the Margraviate of Brandenburg. For centuries, the House of Hohenzollern ruled Prussia, successfully expanding its size by way of an unusually well-organized and effective army. Prussia shaped the history...

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