Famous Whistleblowers Who Changed History
Famous Whistleblowers Who Changed History is a structured history dataset with 15 entries. Its fields include Whistleblower, Year, Organization Exposed. The source values are preserved as a structured reference table.
Every row is shown below and is also available as CSV, JSON, or Excel.
Dataset details
- Table scope
- All 15 rows
- Fields
- 5 columns
- Source
- Community curated
- Data updated
- Mar 7, 2026
Included fields: Whistleblower, Year, Organization Exposed, Outcome, Known For.
The table contains every record in this dataset; the same records are available in each download format.
Preview observations
- Year span
- 1971 to 2021
- Across 15 preview rows
Useful for
- Comparing Whistleblower, Year, and Organization Exposed across history entries
- Building reference tables, charts, or analyses from 15 downloadable records
Whistleblower↕ | Year↕ | Organization Exposed↕ | Outcome↕ | Known For↕ |
|---|---|---|---|---|
Edward Snowden | 2013 | NSA (US National Security Agency) | Exiled in Russia, charged under Espionage Act | Revealed mass surveillance programs (PRISM), global outrage, encryption adoption surge, Citizenfour documentary won Oscar |
Mark Felt (Deep Throat) | 1972-1974 | Nixon White House (Watergate) | Identity secret for 33 years, revealed in 2005 | Guided Woodward & Bernstein to expose Watergate, brought down President Nixon, 'Follow the money', FBI's #2 man |
Chelsea Manning | 2010 | US Military / State Department | 35-year sentence, commuted by Obama in 2017 | Leaked 750,000+ classified documents to WikiLeaks, Collateral Murder video, largest classified leak in US history at the time |
Daniel Ellsberg | 1971 | US Department of Defense | Charges dismissed (government misconduct) | Pentagon Papers revealed government lied about Vietnam War progress, published by NYT and WaPo, landmark First Amendment case |
Frances Haugen | 2021 | Facebook / Meta | Congressional testimony, EU regulation push | Facebook Papers revealed company knew Instagram harmed teen mental health, prioritized engagement over safety, 60 Minutes interview |
Jeffrey Wigand | 1996 | Brown & Williamson (Big Tobacco) | Vindicated, tobacco industry settled for $206B | Proved tobacco companies knew cigarettes were addictive, 60 Minutes interview, Russell Crowe played him in The Insider (1999) |
Karen Silkwood | 1974 | Kerr-McGee plutonium plant | Died in suspicious car crash before testimony | Exposed nuclear plant safety violations, contaminated with plutonium, mysterious death, Meryl Streep biopic (1983) |
Sherron Watkins | 2001 | Enron Corporation | Named Time Person of the Year (shared), no prosecution | Internal memo warned CEO Ken Lay about accounting fraud, Enron collapsed weeks later, $60B in shareholder losses |
W. Mark Felt & Cynthia Cooper | 2002 | WorldCom | Time Person of the Year, WorldCom filed largest bankruptcy | Cynthia Cooper uncovered $3.8B in accounting fraud at WorldCom, internal auditor who refused to look away |
Mordechai Vanunu | 1986 | Israel's nuclear weapons program | Kidnapped by Mossad, 18 years in prison (11 in solitary) | Revealed Israel's secret nuclear arsenal to the Sunday Times, photographs from Dimona reactor, still restricted today |
Coleen Rowley | 2002 | FBI (pre-9/11 intelligence failures) | Time Person of the Year (shared) | FBI agent who revealed headquarters blocked investigation of Zacarias Moussaoui before 9/11, intelligence failures exposed |
Antoine Deltour | 2014 | PricewaterhouseCoopers / Luxembourg | Convicted then acquitted on appeal, EU changed tax laws | LuxLeaks scandal revealed how Luxembourg helped multinationals avoid billions in taxes, sparked EU tax reform |
Reality Winner | 2017 | NSA (Russian election interference) | 5 years in prison (longest for unauthorized disclosure) | Leaked NSA report on Russian cyberattacks on US election infrastructure, arrested within days from printer tracking dots |
Katharine Gun | 2003 | GCHQ / NSA (Iraq War) | Charges dropped, case collapsed | Leaked NSA memo requesting GCHQ spy on UN diplomats to rig Iraq War vote, Official Secrets film (2019), Keira Knightley |
Frank Serpico | 1971 | NYPD (systemic police corruption) | Shot in face during drug bust (suspected setup), survived | Exposed endemic NYPD corruption, Knapp Commission reforms, Al Pacino played him in Serpico (1973), never returned to police |
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