Johan Gottlieb Gahn

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

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Science and technology

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What Wikipedia says

Johan Gottlieb Gahn (19 August 1745 – 8 December 1818) was a Swedish chemist and metallurgist who isolated manganese in 1774.

Excerpt from the Wikipedia article “Johan Gottlieb Gahn”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Cardon, Johan Elias (1802 - 1878), Public domain, via Wikimedia Commons.