Talk:Johan Gottlieb Gahn

	Biography portal This article is within the scope of WikiProject Biography, a collaborative effort to create, develop and organize Wikipedia's articles about people. All interested editors are invited to join the project and contribute to the discussion. For instructions on how to use this banner, please refer to the documentation.BiographyWikipedia:WikiProject BiographyTemplate:WikiProject Biographybiography articles
	This article is supported by the science and academia work group.

Sweden Low‑importance

	Sweden portal This article is within the scope of WikiProject Sweden, a collaborative effort to improve the coverage of Sweden-related articles on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.SwedenWikipedia:WikiProject SwedenTemplate:WikiProject SwedenSweden articles
Low	This article has been rated as Low-importance on the project's importance scale.

Untitled edit

how did johan Gottlieb discovered manganese?