Adapted from an image by Cardon, Johan Elias (1802 - 1878) (public domain), via Wikimedia Commons.
1745–1818
Johan Gottlieb Gahn
Discovered manganese in 1774.
Element
25MnManganese
1774
Glassmakers had long used the black mineral pyrolusite. In 1774 the Swedish chemist Johan Gottlieb Gahn was the first to get the metal out of it, by heating it with charcoal: manganese.
Keep exploring
Where the dates and stories on this page come from; each event on the timeline links to its own source.
- Johan Gottlieb GahnEncyclopaedia Britannica
- ManganeseRoyal Society of Chemistry
- Johan Gottlieb GahnWikipedia