Hi, this is Dave Isae, founder of StoryCorps.

This message comes from NPR sponsor Subaru, celebrating their share the love event now through

January 3rd.

By year's end, Subaru and their retailers will have donated over $225 million to help others.

Visit Subaru.com-sla-share.

If you've been listening to StoryCorps for a while, you know that our archive at the Library

of Congress holds thousands of conversations between friends and loved ones.

A good amount of them are about things we can all relate to, like courage, the courage

to love, to share your heart, and to work towards goals that can sometimes be so much bigger

than just yourself.

So on this season of the StoryCorps podcast from NPR, we're bringing you stories of trailblazers,

people who push boundaries and broke barriers.

In the 82-year-old woman who became the oldest person to reach outer space, to the first

black woman to join the Coast Guard, to the man whose research helped make heart surgery

what it is today.

I'm your host, Camila Cachani, and on this episode we're talking all about medicine and

the people who made some life-saving achievements, literally.

First, we're going to go back to the 1940s.

Back then, Dr. Charles Ardru was the Chief of Surgery at Friedman's Hospital in Washington,

DC.

Now it's called Howard University Hospital.

Dr. Drew did a lot of work with blood, learning how it works, how it can be stored, how

...