Which workplace whistleblower deserves the most public gratitude? Rank them.

Nurses and doctors who raised the alarm about appalling care standards, forcing a national reckoning with hospital culture and patient safety.

Alan Bates and fellow sub-postmasters who refused to stay silent about Horizon, eventually exposing one of the worst miscarriages of justice in British history.

A medic who fought a years-long legal battle to secure whistleblower protections for junior doctors raising safety concerns.

Revealed how millions of Facebook profiles were harvested to influence Brexit and beyond, reshaping the global debate on data ethics.

Leaked documents about the sinking of the Belgrano during the Falklands War, testing where loyalty to government ends and loyalty to the public begins.