<https://face2faceafrica.com/article/meet-henry-greene-yales-first-black-graduate-who-later-became-a-surgeon-in-the-american-civil-war>
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<https://face2faceafrica.com/article/meet-henry-greene-yales-first-black-graduate-who-later-became-a-surgeon-in-the-american-civil-war>