Edison was a prolific inventor but a mediocre businessman; he sold or licensed most of his patents rather than building lasting equity stakes. His General Electric holding was substantial, but he'd already cashed out chunks of his IP portfolio to fund lab operations and cover legal battles over patent disputes. Sarnoff, by contrast, understood that owning the *system* beats owning the *product*—RCA controlled the radio broadcast standard itself, meaning every manufacturer and broadcaster had to license his ecosystem. That structural moat compounded his wealth in ways Edison's individual innovations never could.

The timing and business model divergence is crucial. Edison built in an era of atomized patents and fragmented markets; Sarnoff built during the consolidation phase when monopoly control of distribution channels was both possible and profitable. RCA didn't just manufacture radios—it set technical standards, owned broadcast infrastructure, and created the demand through NBC's content. Edison's $100M+ in patent royalties dried up over time as patents expired and competitors innovated around his claims. Sarnoff's monopoly rent grew as broadcasting became essential infrastructure.

Adjustment for inflation also masks a subtler story: Sarnoff's $250M (or $2B inflation-adjusted) represented *ongoing control* of a cash-generating empire in 1971, while Edison's $217M was largely historical—accumulated across decades and already partially liquidated. Sarnoff's wealth was actively working; Edison's was a legacy sum. In pure mogul terms, Sarnoff won because he built a self-perpetuating system. Edison won the innovation game but lost the wealth-accumulation game.