They are history’s geniuses. But were they any good at investing?

The episode of 'Behind the Money' tackles a provocative question: do history's greatest minds—like Isaac Newton, Winston Churchill, and J.M.W. Turner—make good investors? The answer, according to deep archival research, is a resounding 'not necessarily.' While Newton brilliantly cashed out of the South Sea Bubble at its peak, he later succumbed to FOMO, re-entering at the absolute top and losing 40% of his fortune. Churchill, despite earning an £80 million GDP-adjusted book advance, lost it all through reckless margin trading during a 1920s book tour, becoming a proto-meme trader. Even Charles Darwin’s legendary investment record—8.6% annual returns over 42 years—may be inflated by inherited wealth. The real surprise? Turner, the painter, was a sophisticated fixed-income arbitrageur who exploited a 3.5% mispricing in UK debt. But the standout is John Maynard Keynes, who transformed from a short-term trader into a long-term, bottom-up investor, outperforming the market by over 5% annually for 25 years. The episode reveals that raw intellect alone doesn’t guarantee investment success—what matters is emotional discipline, long-term thinking, and the ability to adapt. The recurring theme? History repeats itself: greed, overconfidence, and poor timing destroy even the brightest minds. The lesson for modern finance? Talent is necessary but not sufficient—discipline, patience, and humility are the real edge. Key takeaways include: Keynes’s 5.