Johann Nepomuk von Fuchs (15 May 1774 – 5 March 1856)[1] was a German chemist and mineralogist, and royal Bavarian privy councillor.

He retired in 1852, was ennobled by the Maximilian II of Bavaria in 1854, and died at Munich on 5 March 1856.

[2] He is largely known for his mineralogical observations and for his work on waterglass (sodium silicate).

[2] He used it to develop stereochromy, a kind of fresco painting where the pigments are fixed with waterglass.

[3] Also, he developed a scientific method for the production of cement and made contributions to the understanding of the amorphic state of solids.