Imagine a fortune so immense it outshone entire economies. In the 1890s, the Vanderbilt family wielded $200 billion in today’s dollars—roughly 4% of America’s GDP. They were America’s original dynasty, their name synonymous with railroads, power, and unrivaled wealth. Yet, by 1970, not one Vanderbilt heir was a millionaire. By the time Anderson Cooper, a descendant, came of age, he inherited nothing. The greatest fortune in U.S. history didn’t just fade—it vanished. The reason? Not market crashes or reckless spending, but a single, invisible flaw, repeated across generations: they failed to build systems to make their wealth transparent and accountable.
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