The History of Ions: Unveiling the Electric Charge
"Around 1830, Faraday posited the existence of charged particles within molecules that migrate between electrodes during electrolysis—an idea ahead of its time."
#Image attribution: Science History Institute, Public domain, via Wikimedia Commons. Page URL: https://commons.wikimedia.org/wiki/File:Michael_Faraday_-_Man_of_Science_-_DPLA_-_5f2b65726e7d4bb523e98ae61828bc11_(page_6).jpg