Sam Walton (1918–1992) was an American businessman and entrepreneur who founded Walmart and Sam’s Club, creating one of the world’s largest retail empires. Known for his down-to-earth leadership style and relentless focus on low prices and efficiency, Walton revolutionized the retail industry through supply chain innovation and store expansion. In his memoir Made in America, he shares the principles behind Walmart’s growth: frugality, customer focus, and empowering employees. Walton’s legacy continues in Walmart’s global dominance and in business culture, where his approach to scale, competition, and simplicity remains highly influential.