nobody, it just is.
lightning was never invented, it is nature. Ben Frankilin disovered electricity by using lightning to prove that there was electrcity.
No one invented electricity; it's a natural phenomenon. But Thomas Edison invented the light bulb. The inspiration was the sun and light and dark.
No one necessarily invented it, because it's a natural phenomenon, but Benjamin Franklin is credited for doing so, in his famous kite experiment.
No
No
yes
Resistance
Heat and/or light.
Glass+Electrcity=light
Water condutes electrcity
O
186,000 miles per second