A century ago, organ transplants were the stuff of science fiction. But a handful of experimental surgeons believed that transplants were not just possible – they had the potential to save thousands of lives. Then, in 1954, a man agreed to donate his kidney to his twin brother – and one surgeon finally got his chance to prove the doubters wrong.

You can binge all episodes of American Innovations exclusively and ad-free on Wondery+. Find Wondery+ in the Wondery App or on Apple Podcasts.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.