Write facts that apply specifically to Daniel Hale Williams, not facts that can apply to any number of scientists. What is unique about his experiments?

Respuesta :

Daniel Hale William openned the firat interracial staff hospital. He was the first one in performing an operation on a human heart. He succeded even when there were no blood transfusions, antibiotics or x-rays. He was able to change tactics if he saw that he needed to do that. For example, he was one of the first ones in using the catgun.