Who discovers the thing falling from the sky in Lord of the Flies?

Piggy and Ralph discover the conch together- as it is Piggy who sees it and identifies what it is but Ralph who fishes it out of the water. Thi si the start of their relationship where Piggy theorises and uses his wosdom, yet Ralph is the one who takes action and actually gets things done.

The conch then continues to be a symbol of order and civilized society throughout the novel, as the one thing that the boys follow and brongs them together into their meetings. However, near the end of the novel as it is shattered during Piggy's death it demonstates the complete breakdown of society and turn to savagery.