original_query: Who was Johan Gottschalk Wallerius?
query: Who was Johan Gottschalk Wallerius?
answer: Johan Gottschalk Wallerius (1709–1785) was a Swedish chemist and mineralogist, the first holder of a chemistry, medicine and pharmacy professorship at Uppsala University, considered the founder of agricultural chemistry.  He published *Agriculturae fundamenta chemica* in 1761.