Final answer:
The statue Doryphoros is a marble sculpture created by the Greek sculptor Polykleitos. It is currently housed in the Archaeological Museum in Naples, Italy.
Step-by-step explanation:
The statue Doryphoros, also known as the Spear Bearer, is a marble sculpture. It is a Roman copy of a Greek bronze original, created by the Greek sculptor Polykleitos around 450 BCE. The statue depicts a young, well-built soldier holding a spear in his left hand with a shield attached to his left wrist. It is currently housed in the Archaeological Museum in Naples, Italy.