What Olympian god made sure that the sacred home fire on Mount Olympus never went out?

The Olympian goddess Hestia was responsible for ensuring that the sacred home fire on Mount Olympus never went out. As the goddess of the hearth and domesticity, she symbolized the warmth and stability of the family and home. Hestia's role was crucial in maintaining the spiritual and communal unity among the gods on Olympus. Her presence was revered, and she was often honored in both public and private worship.