Johan Gottschalk WalleriusSwedish chemist and mineralogist / From Wikipedia, the free encyclopedia Johan Gottschalk Wallerius (11 July 1709 ā 16 November 1785) was a Swedish chemist and mineralogist. Johan Gottschalk Wallerius
Johan Gottschalk Wallerius (11 July 1709 ā 16 November 1785) was a Swedish chemist and mineralogist. Johan Gottschalk Wallerius