Peter Singer’s Drowning Child thought experiment

Peter Singer’s Drowning Child thought experiment

From Witness History by BBC World Service

April 29, 2026 · 11 min

About this episode

Peter Singer discusses his influential Drowning Child thought experiment and its impact on the Effective Altruism movement.

In 1971, the region that is now Bangladesh fought for independence from Pakistan. At the time, Peter Singer was a philosophy lecturer at the University of Oxford. Horrified by the suffering in Bangladesh, Singer wrote an essay in which he put forward his Drowning Child thought experiment, one of the most influential ideas in modern philosophy. The thought experiment, published in 1972, inspired the Effective Altruism movement, which has led donors to commit billions of dollars to charities. Peter Singer speaks to Ben Henderson. This programme contains views on disability that some people may find offensive. Eye-witness accounts brought to life by archive. Witness History is for those fascinated by and curious about the past. We take you to the events that have shaped our world through the eyes of the people who were there. For nine minutes every day, we take you back in time and all over the world, to examine wars, coups, scientific discoveries, cultural moments and much more. Recent episodes explore everything from how the Excel spreadsheet was developed, the creation of cartoon rabbit Miffy and how the sound barrier was broken. We look at the lives of some of the most famous…

People in this episode

Host: Ben Henderson

Guest: Peter Singer

Topics covered

  • philosophy
  • ethics
  • charity
  • history
  • Bangladesh independence
  • Effective Altruism

Keywords

  • Peter Singer
  • Drowning Child
  • Effective Altruism
  • philosophy
  • Bangladesh
  • charity
  • ethics

Mentioned in this episode

Organizations: University of Oxford, Effective Altruism

Books & works: Drowning Child thought experiment

Places: Bangladesh, Pakistan

More episodes of Witness History

Explore listener stats, chart rankings, contacts and more on the Witness History podcast page.