Who were Joseph Swan and Hiram Maxim?

Joseph Swan was an English physicist and inventor known for developing the incandescent light bulb independently around the same time as Thomas Edison. Hiram Maxim was an American-born inventor and engineer, best known for inventing the Maxim gun, the first portable, fully automatic machine gun, which revolutionized warfare. Both contributed significantly to their respective fields, with Swan's work in electricity and lighting alongside Maxim's advancements in weaponry. Their inventions had a lasting impact on technology and society.