2 ms·
Christian Friedrich Schönbein, the chemist who discovered ozone and guncotton
- dang 11y agoUrl changed from http://gizmodo.com/this-badass-19th-century-chemist-sniffed-ozone-and-inve-1737618963 http://gizmodo.com/this-badass-19th-century-chemist-sniffed-..., which points to this.