The author of the article, Scott A. Gruber, is professor and chief of Section Transplant Surgery at Wayne State University 's School of Medicine . He discusses the frequency of organ and tissue donation from African Americans and other minorities, which is critically low. According to the Michigan Gift of Life Donor Registry, nearly 967 African Americans are waiting for kidney transplants. At Detroit Medical Center 's Harper University Hospital , approximately 90 percent of kidney transplant patients are African American, so organ donation among minorities is of great importance.