カール・ヴィルヘルム・シェーレ
In 1776, Swedish chemists Carl Wilhelm Scheele and Torbern Olof Bergman produced oxalic acid by reacting sugar with concentrated nitric acid; Scheele called the acid that resulted "socker-syra" or "såcker-syra" (sugar acid). By 1784, Scheele had shown that "sugar acid" and oxalic acid from natural sources were identical.