In the 1960s, thousands of babies were dying each year from a devastating condition with no cure and no prevention. Then, doctors discovered one man's blood carried something rare—something that could stop the disease before it even began. Over the next five decades, he quietly gave a part of himself more than 1,100 times, saving millions of lives in the process. In this episode, you'll hear the true story of how an ordinary person with an extraordinary gift chose to show up again and again… and how you can use what you've been given to change the world. You will find out the Legacy Behind the Legend.