One of America's richest families built a $150B empire in plain sight—Cargill controls grain, meat, fertilizer, and ingredients in most food you eat, yet remains virtually unknown. Sam Parr and Shaan Puri explore how a middleman business became a 160-year dynasty, the Jevons Paradox reshaping AI's impact, and why family systems create generational wealth. Cargill's dominance came from becoming the physical middleman—building grain elevators next to railroads—proving middlemen can become more valuable than the producers they serve.