Medicine
3 facts
c. 2650 BCE
Imhotep Designs the Step Pyramid
Imhotep, an African polymath, designed the Step Pyramid at Saqqara—the world's first monumental stone structure—and was later deified as a god of medicine.
January 18, 1856
Daniel Hale Williams Performs Open Heart Surgery
Dr. Daniel Hale Williams became one of the first surgeons to successfully perform open heart surgery.
September 18, 1856
Daniel Hale Williams Born
Dr. Daniel Hale Williams, pioneer of open-heart surgery, was born in Pennsylvania.