first standarized systems schemes AMPÈRE, OHM,VOLTA,FARADAY, COULOMB, KRITCHOFF... , 1800 First electric battery invented by Alessandro Volta .Also proved electricity could travel over wires. 1827 Ohm writes the first complete theory of electricity . The Galvanic Circuit Investigated Mathematically. (to sci-fi) Mary Shelley, Frankenstein, or, The Modern Prometheus 18 18 early