Linked from
The 12 pages that link to Alessandro Volta, each with the reason it gives.
Ohm's lawRelated: The pile enabled the sustained-current experiments that preceded Ohm’s work.
Hans Christian ØrstedRelated: Volta’s battery supplied the kind of current Ørsted investigated.
Voltaic pileRelated: Volta described and presented the pile in 1800.
Georg OhmRelated: Volta’s battery gave Ohm a steady source for studying electric currents.
History of the batteryRelated: His pile made battery electricity a reproducible experimental source.