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<p>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.</p><p>You can binge all episodes of American Innovations exclusively and ad-free on Wondery+. Find Wondery+ in the Wondery App or on Apple Podcasts.</p><p>See Privacy Policy at <a href="https://art19.com/privacy" rel="noopener noreferrer" target="_blank">https://art19.com/privacy</a> and California Privacy Notice at <a href="https://art19.com/privacy#do-not-sell-my-info" rel="noopener noreferrer" target="_blank">https://art19.com/privacy#do-not-sell-my-info</a>.</p>