Johan August Arfwedson (12 January 1792 – 28 October 1841) was a Swedish Chemistwho discovered the element Lithium in 1817 by isolating it as a salt.
Arfwedson belonged to a wealthy bourgeois family, the son of the wholesale merchant and factory owner Jacob Arfwedson and his spouse, Anna Elisabeth Holtermann. He went to college at the University of Uppsala from 1803-1809, completing a degree in Law. In 1812 he completed a degree in Mineralogy.
Arfwedson knew the famous chemist J.J. Berzelius, who is considered on the of the fathers of modern Chemistry. Berzelius allowed Arfwedson to use his private laboratory, which is where he would discover the element Lithium in 1817.
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