Beneath the Surface: African American Innovators Who Shaped History

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…It was there, amidst the crisp Canadian air and the rigorous demands of medical study, that the seeds of his most significant contributions began to sprout. But it was his doctoral work at Columbia University that truly set him apart. The year was 1940, and the world was teetering on the brink of a global conflict. Drew, now a gifted surgeon and researcher, turned his formidable intellect to a problem that was becoming increasingly critical: the preservation and transportation of blood. Blood transfusions, while life-saving, were a