Black history

Daniel Hale Williams in 1893 the first successful open heart surgery

Daniel Hale Williams and the First Successful Heart Surgery | Columbia Surgery https://share.google/j8GMeecyI5WgXjVKF

[media=https://youtu.be/DRyZ0fVkkak?si=yfYq_2mbBSBjAl7C]

[media=https://youtu.be/22hyuwzXICc?si=7j9923RnsgvEnG5G]