Johan August Arfwedson | |
|---|---|
 Johan August Arfwedson | |
| Born | 12 January 1792 Sweden |
| Died | 28 October 1841 (aged 49) |
| Nationality | Swedish |
| Alma mater | University of Uppsala |
| Known for | Discovered lithium |
| Scientific career | |
| Fields | Chemistry |
Johan August Arfwedson (12 January 1792 – 28 October 1841) was a Swedish chemist who discovered the chemical element lithium in 1817 by isolating it as a salt.