This is so far back in ancient prehistory that there is no way to ever know. It was probably not even a person we would consider a modern human, but almost certainly one of our very ancient prehuman ancestors, possibly even before our prehuman ancestors actually diverged from the other apes.
No one invented electricity. However if you are asking who discovered and proved electricity, this would be Benjamin Franklin.
Benjamin Franklin
Benjamin Franklin was the one to study lightning and realize it was electricity.
The narrator in "The Lightning-Rod Man" is skeptical, practical, and cautious. He questions the sales pitch of the lightning-rod man and ultimately decides against purchasing his product due to its dubious effectiveness.
he discovered it in his home of Philedalphia
The first time someone noticed a lightning strike.
I believe Thomas Say discovered the firefly. However, Berry Trimmer discovered how they glow.
Lampyridae's are 'fireflies' or 'lightning bugs' in scientific terms by the way.
The Juno spacecraft, a NASA mission launched in 2011, discovered that lightning on Jupiter is up to ten times stronger than lightning on Earth. This finding was revealed through data collected by Juno's Microwave Radiometer instrument during its close flybys of the planet.
Ben Franklin flew a kite during a lightning storm and was electrocuted through the wires in the kite.
Racism has been part of man from the earliest history of man. It was not "discovered", but part of man's nature.
pioneer