Théodore Sidot was a French

chemist A chemist (from Greek ''chēm(ía)'' alchemy; replacing ''chymist'' from Medieval Latin ''alchemist'') is a scientist trained in the study of chemistry. Chemists study the composition of matter and its properties. Chemists carefully describe th ...

who, in 1866, discovered the phosphorescence of

zinc sulphide Zinc sulfide (or zinc sulphide) is an inorganic compound with the chemical formula of ZnS. This is the main form of zinc found in nature, where it mainly occurs as the mineral sphalerite. Although this mineral is usually black because of various i ...

. He worked at the

Lycée Charlemagne The Lycée Charlemagne is located in the Marais quarter of the 4th arrondissement of Paris, the capital city of France. Constructed many centuries before it became a lycée, the building originally served as the home of the Order of the Jesuit ...

in Paris, as chemistry preparator. He was injured in the 1870 Franco-Prussian War at the

Fort de Nogent The Fort de Nogent or Fort de Nogent-sur-Marne is a French fortification forming part of the fortifications of Paris. Despite its name, the fort is located in Fontenay-sous-Bois; the name is derived from Nogent-sur-Marne the town the fort was pla ...

. He received the 1883 Prix Trémont of the

Académie des Sciences The French Academy of Sciences (French: ''Académie des sciences'') is a learned society, founded in 1666 by Louis XIV at the suggestion of Jean-Baptiste Colbert, to encourage and protect the spirit of French scientific research. It was at the ...

."Prix Trémont"
''Le Moniteur Scientifique'', volume XXV, page 417, May 1883

References

19th-century French chemists Year of death missing Year of birth missing {{Chemist-stub