This olympian made sure that the sacred home fire on mount Olympus never went down?

The Olympian responsible for keeping the sacred home fire on Mount Olympus alive was Hestia, the goddess of the hearth and domesticity. She was revered for her role in maintaining the warmth and safety of the home, both in mortal households and among the gods. Hestia's presence was essential to the well-being of the Olympian deities, symbolizing stability and hospitality. Her commitment to the eternal flame made her an integral figure in ancient Greek culture.