Who found gold and kept it a secret?

In 1848, James W. Marshall discovered gold at Sutter's Mill in California while working for John Sutter. Initially, Marshall and Sutter attempted to keep the discovery a secret to prevent a rush of miners that could disrupt their plans for the land. However, news leaked, leading to the California Gold Rush, which drastically transformed the region and attracted thousands seeking fortune. Ultimately, the secret was short-lived as the allure of gold proved irresistible.