BENJAMIN GRAHAM

Benjamin Graham was born Benjamin Grossbaum in London in 1894. His family moved to New York when he was a year old.

His father died when Graham was nine. His family lost most of their savings in the 1907 financial panic.

He grew up with a serious understanding of what it actually meant to lose money.

He graduated from Columbia University in 1914 at age 20, second in his class. The university offered him teaching positions in three departments — English, philosophy, and mathematics.

He chose Wall Street instead. He started the Graham-Newman Corporation in 1926, which functioned as a hedge fund before anyone used that term.

He lost heavily in the 1929 crash — which he later admitted meant he hadn't been following his own principles rigorously enough. He spent the 1930s rebuilding, writing, and thinking.

He taught at Columbia Business School from 1928 to 1956. His greatest student was Warren Buffett, who took his class in 1950 and called it the most important educational experience of his life.

Graham retired to California in 1956 and spent his last years revising his investment philosophy and living simply. He died in Aix-en-Provence, France, in 1976.

Graham-Newman Corporation, which he co-founded and ran from 1926 to 1956, delivered roughly 20% annual returns over that period — outstanding for any era, remarkable given it spanned the Great Depression. His single best investment was GEICO.

In 1948, the fund put approximately $720,000 into GEICO — about half the fund's total assets at the time. That was a violation of his own concentration rules, which tells you how strongly he felt about it.

When the fund dissolved in 1956, GEICO shares were distributed to investors. Graham held his personally.

By the 1970s they were worth millions. Warren Buffett later bought the entire company for Berkshire Hathaway.

The ripple effect of that one position is impossible to fully calculate.

He treated stocks as ownership stakes in real businesses — not tickets in a lottery. Before Graham, most investment advice was a mix of tips, rumors, and gut feeling.

He brought math to it. His core concept was intrinsic value — a calculation of what a business is actually worth based on its current earnings, assets, and finances.

If the market price is significantly below that number, you buy. The gap between price and value is what he called the margin of safety: the most important concept he ever introduced.

The bigger the margin of safety, the less damage an error in your analysis can do.

He also invented the allegory of Mr. Market — an imaginary business partner who shows up every day offering to buy or sell your shares at whatever price his mood dictates.

When he's euphoric, prices are too high. When he's depressed, prices are too low.

Your job is to exploit his mood swings, not follow them. This was 1949.

It's still the clearest explanation of how to think about market volatility that anyone has ever written.

GEICO. In 1948, Graham-Newman invested $720,000 in GEICO when it was a small, obscure government employees insurance operation.

This was roughly half the fund's total assets — a concentration level Graham himself had written against. The position grew to be worth tens of millions before he died.

Beyond the financial return, the GEICO investment influenced Warren Buffett to study the company intensively, and Buffett eventually acquired all of GEICO for Berkshire Hathaway in 1996. One investment produced ripples across a century of finance.

The 1929 crash. He had spent years writing about valuation and the concept of cheap stocks.

He still got caught up in the late 1920s bull market excitement and didn't apply his own principles rigorously enough. He lost significant money.

He later described it with uncommon honesty — not blaming bad luck, not glossing over it, just saying he failed to follow his own rules. The crash was the crucible.

Security Analysis came out in 1934. The Intelligent Investor followed in 1949.

Both books came directly from working through what went wrong and why. The mistake produced the framework that generated more investment wealth than almost any other set of ideas in history.

Three ideas define him. First: the margin of safety.

Always buy with a meaningful cushion between what you pay and what the thing is actually worth. If you're right, you do very well.

If you're wrong, you don't get wiped out. Second: Mr.

Market is your servant, not your master. The market's daily mood is irrelevant to whether your underlying analysis is correct.

Ignore the noise. Third: an investment operation is one which, upon thorough analysis, promises safety of principal and an adequate return.

Everything else is speculation. He was blunt about this distinction.

Most of what people called investing in his era — and honestly in most eras — was speculation dressed up in confident language.

He was born in London in 1894 and moved to New York as an infant. He was married three times.

He had four children; his son Newton died in combat in World War II. He died in Aix-en-Provence, France, in September 1976 at age 82.

His personal life was reportedly complicated, and he is remembered almost entirely for his intellectual contributions rather than his personal circumstances.

Columbia University, class of 1914. Graduated at age 20, second in his class.

Offered teaching positions in English, philosophy, and mathematics — chose Wall Street. Taught at Columbia Business School from 1928 to 1956.

Also lectured at UCLA in retirement. His formal education ended at Columbia but his actual education never stopped.

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