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Along with enjoying each other's sense of humor, the men learned they both worked for Buffett's grandfather at his grocery store as teenagers. Though the two worked at the same store, they had never crossed paths, as Munger was seven years Buffett's senior.

Both men have recalled their first interaction fondly.

"About five minutes into it, Charlie was sort of rolling on the floor laughing at his own jokes, which is exactly the same thing I did," Buffett, 90, told CNBC in 2019. "I thought, 'I'm not going to find another guy like this.' And we just hit it off."

Meanwhile, Munger said the pair "got along fine," according to CNBC.

"What I like about Warren is the irreverence. We don't have automatic reverence for the pompous heads of all civilization," Munger said.

A lawyer by trade and an architect on the side, Charlie Munger began working for Berkshire Hathaway in the late 1970s.

Previously, Munger excelled at Harvard Law School and even co-founded his own law firm — Munger, Tolles & Olson LLP — which still exists today.

Buffett convinced Munger to leave the practice as he felt it did not utilize his full talents in the early 1960s.

"It took me a long time to wise up that [Buffett] had a better way of making a living than I did," Munger said in 2021 regarding the decision to follow Buffett's advice. "But he finally convinced me that I was wasting my time."

Over a decade later, Buffett convinced Munger to leave his second company, an investment practice called Wheeler, Munger & Co.

In 1978, he became Vice Chairman of Berkshire Hathaway, where the two had worked side-by-side.

At the time of his death, Munger had a net worth of about $2.5 billion, according to Bloomberg.

After almost half a century of joined partnership, the two men have often appeared as the faces of Berkshire Hathaway, adding a personal element to the holdings company.

The pair's faces are often used by their subsidiary companies, such as Heinz and Coca-Cola.

In 60 years of friendship, Buffet claims they'd never fought.

Buffett told CNBC in 2019 that he "always learn something" from the time he spends with Munger.

Buffett also praised Munger in his 2022 letter to shareholders.

"Charlie and I think pretty much alike. But what it takes me a page to explain, he sums up in a sentence," Buffett wrote.

The pair appeared to share a lighthearted friendship.

"I never have a phone call with Charlie without learning something. And,
while he makes me think, he also makes me laugh," Buffet wrote in the letter.

Munger has spoken highly of Buffett and even stepped in to defend him at times.

Earlier this month, Munger defended his friend against a report alleging Buffett sometimes traded stock in his person account before his company traded the same stocks.

"I don't think there's the slightest chance that Warren Buffett is doing something that is deeply evil to make money for himself. He cares more about what happens to Berkshire than he cares what happens to his own money. He gave all his own money away. He doesn't even have it anymore," Munger said at the time.

Read the original article on Business Insider