Blacksmiths work with 'black' metals, especially iron (see wrought iron), while whitesmiths work with 'white' metals (such as tin).
Mass production techniques have reduced the marketplace for blacksmiths' work. The great demand for custom metalwork has given rise to a new breed of smiths commonly known as Artist-Blacksmiths.
One very famous blacksmith was Hephaestus (Latin: Vulcan). He was the blacksmith of the gods in Greek and Roman mythology and constructed all of their weapons and, especially, the lightning bolts that Zeus (Latin: Jupiter) threw at the Earth.