There were 2 people
Tomas Edison
Joseph Swan
Tomas Edison invented the first practical incandescent lightbulb.
Sir Joseph Swan is most famous for his role in the development of the first incandescent lightbulb.
Flyers are best and sometimes maybe even a mass email would work better
Between both solid and gases, should be liquid.
Go eat food! Don't starve yourself because of homework! XD
