Finding the world’s most complete T-rex fossil

Finding the world’s most complete T-rex fossil

From Witness History by BBC World Service

May 6, 2026 · 11 min

About this episode

Deena Newman interviews Peter Larson about the discovery of the world's most complete T-rex fossil in South Dakota.

On 12 August 1990, the world's most complete skeleton of a Tyrannosaurus rex was found in South Dakota. Deena Newman speaks to Peter Larson whose team made the landmark discovery. This programme was first broadcast in 2015. 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 leaders, artists, scientists and personalities in history, including: the moment Reagan and Gorbachev met in Geneva, Haitian singer Emerante de Pradines’ life and Omar Sharif’s legendary movie entrance in Lawrence of Arabia. You can learn all about fascinating and surprising stories, like the invention of a stent which has saved lives around the world; the birth of the G7; and the meeting…

People in this episode

Host: Deena Newman

Guest: Peter Larson

Topics covered

  • Tyrannosaurus rex
  • fossil discovery
  • paleontology
  • historical accounts
  • scientific discoveries

Keywords

  • T-rex
  • fossil
  • discovery
  • South Dakota
  • Peter Larson
  • Deena Newman
  • paleontology
  • Sue

Mentioned in this episode

Books & works: Sue

Places: South Dakota

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