There's an important lesson here for the young and ambitious. Countless people came to California for the Gold Rush. A vanishingly tiny percentage of them got rich: most lost their shirts. Others with good business sense didn't go anywhere near the gold fields, but instead hung back in San Francisco selling supplies to the would-be gold tycoons. Levi Strauss was one of those. Most likely you can't name a single 49er who got rich digging gold, but I bet you knew who Levi Strauss was before you read this article, and odds are pretty good that you're wearing a pair of his pants right now.