Imagine arriving in booming, chaotic Chicago with exactly $32 to your name and a plan to sell scouring soap. From that humble start, William Wrigley Jr. built an empire that included a Major League Baseball team, a private island paradise, and one of the most recognizable brands on Earth.

This deep dive reveals how Wrigley's fortune was built not on one brilliant idea but on happy accidents, ruthless adaptability, and a profound willingness to give things away for free. It traces the strange evolution of his giveaway strategy, his pivot into permanent infrastructure, and the paradoxes of his Depression-era philanthropy.

• How his free-baking-powder promotion led him to abandon soap entirely, then how free chewing gum eclipsed the baking powder
• His transformation of Santa Catalina Island into a public playground, including a ...