Some of the robber barons, including Andrew Carnegie and John D. Rockefeller, were among America's greatest philanthropists.

Listen to an overview of the Gilded Age and the robber barons—including some of the most famous figures from the time and their lasting impact on American society and the economy.

Andrew Carnegie donated $56M to build 2,509 public libraries worldwide

Carnegie, who left school at 12 and credited borrowed books for his self-education, began funding libraries in 1881. Of the 2,509 libraries built, 1,681 were in the United States. He required each community to maintain the library as a condition of his gift.

Former Berkshire Hathaway CEO Warren Buffett is among the world's most generous philanthropists, having given away more than $68B.

How John D. Rockefeller became the world's first billionaire

From a young age, John D. Rockefeller knew he was interested in business. He worked as a bookkeeper and sold candy prior to starting the business empire that would help cement the Rockefeller name in history: Standard Oil.

The history of the Rockefellers in 60 seconds

John D. Rockefeller—the world's first billionaire—once controlled 90% of the US oil refining market, built Standard Oil through vertical integration, and used his fortune to fund universities, museums, and landmarks like Rockefeller Center.

John D. Rockefeller—the world's first billionaire—was born to a well-known con artist father.

Buffett is known for being extremely generous with his fortune

So generous that in 2010 he pledged to donate 99% of his money. He said this money “can have a huge effect on the health and welfare of others.” This letter is Buffett’s philanthropic pledge, which details his commitment to giving and how luck and privilege helped him accumulate so much money.

In 1931-32, JP Morgan Jr. paid no income taxes due to his company’s losses

This legally reduced his taxable income under existing laws. Similarly, the Rockefellers leveraged charitable foundations to minimize taxes, allowing them to preserve wealth while directing funds to their preferred causes.

How the Rockefellers' wealth evolved over time

The Rockefellers built one of the most powerful business empires in US history. By the early 1900s, their company, Standard Oil, controlled over 90% of the US oil market.

John D. Rockefeller’s father had a nefarious past

William A. Rockefeller Sr. earned his money via various schemes that included pretending to be a doctor to sell “herbal medicines” and posing as a deaf person to peddle for money.

Watch Anderson Cooper, whose great-great-great-grandfather was railroad tycoon Cornelius Vanderbilt, walk through the family's history.

The term 'robber baron' dates back to the Middle Ages and was originally used to describe feudal warlords who built castles alongside narrow parts of rivers and stole cargo from ships passing through.

The Giving Pledge was a movement started by Warren Buffett, Bill Gates, and Melinda Gates

The Giving Pledge was started to encourage the world’s richest individuals to donate most of their wealth either during their lives or in their wills. Buffett has committed to donating 99% of his money.

Watch a breakdown of how the Rockefellers' wealth evolved over time.

Listen to the history of JP Morgan's sprawling life as one of the most influential American financiers and bankers.

Why endowments took off at the turn of the century

After the Civil War, economic growth boosted philanthropy, much of it ending up in universities and colleges. Charles Eliot, the longtime president of Harvard, realized a university’s success was determined by how much money it could hold in the endowment. His approach to endowments radically changed their role in the modern university.

Eleven of modern history's greatest investors

The greatest investors have all made a fortune off of their success and, in many cases, have helped millions of others achieve similar returns. Read about the lives and approaches of Carl Icahn, Warren Buffett, George Soros, and more.

Most US billionaires made their wealth in banking and finance rather than tech

A third of US billionaires inherited much or all of their enormous fortunes. It can be tough to determine the exact net worth of billionaires given that much of their money is often tied up in company stocks, which fluctuate significantly in a given week. (Some users may experience a paywall.)

Why donors love to give to the wealthy schools

In this podcast episode of Revisionist History, Malcolm Gladwell explores why Hank Rowan’s $100 million gift to a small New Jersey college didn’t inspire others to support underfunded schools. Instead, donors continue to flock to elite institutions like Harvard and Stanford. “My Little Hundred Million” examines ways ideology and prestige have reshaped educational giving.

Today’s Rockefellers have become climate activists

The Rockefeller Family Fund has been engaged in more than 40 lawsuits against ExxonMobil, a company that John D. Rockefeller’s Standard Oil created.

A timeline of the Rockefeller family

The Rockefeller family timeline (as it relates to the business world, at least) starts in 1839 with John D. Rockefeller’s birth. In the nearly 200 years since, his offspring have gotten involved in everything from the Watergate scandal to the McCormick & Company spice business.

Around 60% of female billionaires in the US are considered self-made—meaning at least some of their wealth comes from a business venture launched on their own.

American billionaires' wealth, visualized

America's top 20 billionaires have a combined wealth of $2.7T as of 2024. That's more than Russia's annual GDP. But some billionaires, like Elon Musk, hold a greater share of that $2.7T number than others. To see just how much money each of these 20 billionaires have in comparison to the others in the group, check out this data visualization.

Warren Buffett plays about 12 hours of bridge a week with Bill Gates

Known for being one of the most frugal billionaires alive, Buffett never spends more than $3.17 on breakfast (opting for either McDonald’s or Oreos). He also has New York Times front pages detailing horrible days on Wall Street hanging on his walls.

Jeff Bezos launched his philanthropic ‘Bezos Day One Fund’ in 2018 with his then-wife, Mackenzie Scott

The fund focuses on promoting education and reducing homelessness. This article compares Amazon founder Jeff Bezos’ philanthropic initiatives to those of other billionaires, including Warren Buffett and Bill Gates.

Some Ivy Leagues are worth billions of dollars, managing massive endowments to support their operations and investing donations for long-term growth rather than spending them.

America’s richest families

You could probably name a few of America's richest people, like Elon Musk or Mark Zuckerberg, for instance. But could you name the richest families in America, like the Waltons or the Mars family? Explore the list of 2024's richest families in America—and find out how they made their money—here.

Listen to Russian-American philosopher Ayn Rand's defense of the robber barons, who she says were unjustly vilified.

Robber barons grew monopolies over their respective industries through a combination of aggressive vertical and horizontal integration strategies.

The Rockefellers funded the restoration of Colonial Williamsburg

John D. Rockefeller Jr. and his wife spent millions of dollars restoring Colonial Williamsburg and turning it into the tourist attraction it is today. You can go back in time via video footage from before and after the restoration.

The ten largest individual donors gave more than $1.2B during the 2024 election cycle.

How popular are America's billionaires?

The US has more billionaires than any other country, and they are a mix of media moguls, entrepreneurs, and entertainers. This list ranks the 10 richest Americans by their popularity. The oracle of Omaha, Warren Buffett, ranks highest in favorability at 52%, while Google cofounder Sergey Brin ranks lowest—likely because 72% of respondents didn't recognize his name.

'If you want to succeed, you should strike out on new paths, rather than travel the worn paths of accepted success.'

- Billionaire John D. Rockefeller (1839-1937)

Ida Tarbell's massive investigation into John D. Rockefeller's Standard Oil exposed the unethical, often illegal business practices of the Gilded Age and helped usher in new business regulations.

JP Morgan Jr. once angered the nation with his zero-dollar tax bill

In the aftermath of the Great Depression, Congress learned that Morgan and his banking partners had avoided paying any federal income tax in 1931 and 1932. By claiming their losses in the stock market, they seemingly erased what they owed.

The Rockefellers' family office expanded to become a multifamily office

The Rockefellers created the first known single-family office in the late 1800s but the firm has evolved since to serve many wealthy American families.

Ray Dalio and his wife signed Warren Buffett's Giving Pledge in 2011

That means Dalio and his wife, Barbara Dalio, committed to donating at least half of their net worth by the time they die. The couple also founded Dalio Philanthropies in 2003, with their main causes including advancing education and investing in ocean protection and research.

Americans are projected to inherit $105T over the next 30 years

Today, someone's financial standing has more to do with their families than any other outside factor. Of the more than $100T of projected inheritance, that money is concentrated among a few wealthy estates and families.

University endowments are primarily funded through charitable donations from alumni, philanthropists, or foundations.

The .1% of Americans once controlled 7% of all US wealth. Today, they control closer to 18%.

Pulitzer left $2M to Columbia University to establish the Pulitzer Prize

The man who transformed the New York World into the largest newspaper in America in the late 1800s left his home country of Hungary in 1864 to fight in the US Civil War. When he died in 1911, Pulitzer left $2M to Columbia University to found its journalism school and establish the Pulitzer Prize.

Modern antitrust law was created to combat the Standard Oil Trust, the massive monopoly run by John D. Rockefeller.

The Smithsonian was first funded by a man who never visited the US

The Smithsonian Institution was established through a gift in the will of James Smithson, a British scientist who never visited America but left his fortune to establish an institution dedicated to the "increase and diffusion of knowledge."

Famously frugal Warren Buffett owns a private jet

Buffett still lives in the same house he bought in 1958 for $31.5K. He has pledged to donate 99% of his fortune to charity. Yet he owns a private jet called "The Indispensable" (formerly called "The Indefensible" because he had no defense for buying it).

Learn about the Strike at Homestead Mill: a 12-hour standoff between private security guards and more than 700 unionized steelworkers at Andrew Carnegie's Homestead Steel Works.

Ray Dalio has argued that American capitalism is broken, citing economic factors like a growing wealth divide

Dalio also points to stalling income growth, weak healthcare systems, and poor educational outcomes when arguing that American capitalism needs serious reform. However, critics point out that Dalio has amassed a large fortune by running the world's largest hedge fund and question whether Dalio really wants economic reform.

Standard Oil's predatory business practices included temporarily operating at a loss to drive competitors out of business

Rockefeller's oil monopoly had a dark side, including cutting oil prices so low that Standard Oil was sometimes temporarily operating at a loss in order to drive competitors out of business.

Alfred Nobel invented dynamite and later used his fortune to fund peace prizes

Nobel stabilized dangerous nitroglycerin to create dynamite, revolutionizing construction and mining in the 19th century. Despite his success with explosives, he was deeply disturbed by their destructive potential and redirected his legacy toward rewarding human progress.

The largest university endowments in the US

This US News article ranks the 20 universities with the largest endowments in the United States, based on data from the 2022 fiscal year. Harvard tops the list at more than $50B, followed by Yale, Stanford, and Princeton. Check out this snapshot of how these financial resources support academic programs, research, and student aid.

Bizarre college donations and the strings attached

When donors give to a college, they regularly prescribe specific stipulations, typically to fund a professorship in their name in a certain subject. But some of those stipulations are unique, including requiring annual graveside flowers, pet adoption for 150 dogs, or the consistent teaching of Ayn Rand’s "Atlas Shrugged."