# Blood Transfusion and Blood Plasma Preservation *African American physicians and scientists built the modern systems of blood transfusion and plasma preservation that made large-scale surgery and wartime medicine possible, even as the official record narrowed their credit and obscured the wider Black infrastructure that sustained it.* > Black's Encyclopedia — the sourced record of Black American life. > Portal: Science & Invention · Status: In review · Revised: July 22, 2026 · Revisions: 1 > Canonical: https://www.blacksencyclopedia.com/record/blood-transfusion-and-blood-plasma-preservation ## Questions this record answers - Did Black physicians create the modern blood transfusion and blood plasma systems? - How did Charles Drew’s work transform surgery and wartime medicine? - What role did Black hospitals and communities play in early blood banking and transfusion? - Why does the standard record minimize the Black infrastructure behind blood transfusion? ## Summary Black physicians and scientists did more than contribute to blood transfusion and plasma preservation—they built the systems that made large-scale surgery and wartime medicine possible, from the science of plasma separation to the logistics of collection, storage, and distribution. Charles R. Drew’s pioneering work in the 1930s and 1940s proved that blood plasma could be preserved, shipped, and used safely at scale, enabling thousands of lifesaving transfusions in World War II and beyond. ## Origins in Black Medical Practice Long before federal agencies recognized blood banking as a national necessity, Black physicians and nurses were refining transfusion techniques in segregated hospitals and clinics that served communities barred from white institutions. These practitioners confronted higher burdens of trauma, chronic disease, and childbirth complications, forcing an early, practical engagement with the challenges of replacing blood safely. In these spaces, blood transfusion was not an abstract laboratory problem but a daily matter of survival. Black midwives, hospital nurses, and surgeons learned to manage shock, hemorrhage, and infection with limited equipment, creating a culture of improvisation and precision that would later underpin more formalized systems of blood collection and use. ## Charles Drew and the Science of Plasma Preservation Charles R. Drew, trained at McGill University and at Howard University College of Medicine, focused his research on how to extend the life of donated blood and make it usable far from the point of collection. His doctoral work at Columbia University, completed in 1940, established methods for separating plasma from whole blood, preserving it at low temperatures, and reconstituting it for transfusion. This work showed that blood plasma, unlike whole blood, could be stored for weeks and transported long distances without catastrophic loss of function. Drew’s protocols in New York and later in Washington, D.C., became the backbone of the “Blood for Britain” program and the early American Red Cross blood projects, proving that a centralized system of plasma collection and distribution could operate on a national and transatlantic scale. ## Infrastructure, Segregation, and Erasure As federal and charitable organizations adopted Drew’s methods, they installed racial segregation into the very architecture of blood banking—labeling blood by donor race and, in some cases, excluding Black donors entirely, despite relying on Black workers and Black-initiated protocols. Drew publicly challenged these policies, arguing that racial segregation in blood had no scientific basis and undermined the very system his work made possible. The official narrative that followed narrowed the story to “a brilliant individual scientist” while obscuring the Black hospital networks, nursing schools, and research institutions like Howard and Meharry that trained the workforce and proved the methods on the ground. Black communities provided donors, staff, and clinical testing sites, building the lived infrastructure of blood transfusion even as white institutions claimed the administrative credit. ## Legacy in Surgery and Emergency Medicine The transformed landscape of surgery and emergency medicine in the mid-twentieth century—the ability to perform complex operations, to treat battlefield trauma, and to stabilize accident victims—rests on the capacity to replace and supplement blood safely and quickly. That capacity is inseparable from Drew’s plasma preservation protocols and from the Black medical ecosystems that refined transfusion practice under segregation. Every modern hospital blood bank, every mass-casualty response that deploys stored plasma and blood products, stands on a system whose science and logistics were shaped by Black physicians, scientists, and nurses. Their work turned blood from a fragile, local resource into a stable, sharable lifeline, even as the policy structures surrounding it encoded racial hierarchy into the very flow of care. ## The archive's standing The archive holds Black physicians and scientists, and Charles Drew in particular, as authors of the modern system of blood transfusion and plasma preservation, not merely contributors to its refinement. They built the science, the protocols, and the infrastructure under conditions of segregation that sought to deny both their patients and their credit. We judge the narrowing of this history to a single heroic name in a white institutional frame as another form of erasure; the system was born in Black hospitals, Black medical schools, and Black communities whose labor and insight remain under-acknowledged. The archive recognizes this field as a cornerstone of twentieth-century medicine whose Black authorship must be named and retained. ## The Question of Authorship Public accounts often ask whether Charles Drew “invented the blood bank,” framing Black contribution as a discrete, isolated event. The archive reframes the question: did Black physicians and scientists create the systems that make blood transfusion and plasma preservation possible at scale? The record supports an affirmative answer. Drew’s dissertation and subsequent work formalized protocols that turned a risky, local procedure into a standardized, national and international system. By naming the system itself—blood transfusion and plasma preservation—as the subject, we center the ordinary public object: the hospital blood bank, the stored plasma used in surgery, the emergency transfusion that saves a life. These are not neutral technologies; they are artifacts of Black scientific labor, born within and against segregated medical structures. ## Black Medical Ecosystems and Early Transfusion Practice Segregated Black hospitals, including Howard University Hospital, Freedmen’s Hospital in Washington, D.C., and other institutionally Black facilities, faced heavy burdens of trauma and complex illness without equitable funding or access to the latest equipment. Physicians in these settings relied on transfusion as a critical tool, and their practice demanded reliable methods for matching donors, managing reactions, and preventing infection. Nurses trained at Black schools of nursing developed careful protocols for handling blood and monitoring patients. These practices created a body of experiential knowledge, often transmitted through internal reports, case notes, and oral teaching rather than mainstream journals. That knowledge directly fed the later standardization of blood handling. ## Charles Drew’s Research and System Design Drew’s doctoral work at Columbia, titled “Banked Blood: A Study in Blood Preservation,” synthesized clinical experience and laboratory research into a coherent set of methods for collecting, processing, and storing blood plasma. His designs addressed not only the chemistry of preservation but the organizational questions: how to collect, track, and distribute plasma in large quantities without loss or confusion. When Britain sought American assistance in supplying blood during World War II, Drew’s protocols underpinned the “Blood for Britain” program, which collected thousands of units of blood and plasma for shipment overseas. Subsequently, his leadership in early American Red Cross projects demonstrated that a centralized blood system could operate across regions and institutions, laying the foundation for the hospital-based blood bank structure. ## Segregation Inside the System Despite depending on Black science and Black labor, the early national blood programs enforced racial segregation in donor pools, often labeling blood by race or restricting Black donors. Drew publicly criticized these policies, arguing that they had no scientific justification and compromised the moral integrity of the system. This contradiction—Black-authored science housed in racially discriminatory policy—shaped the way credit was recorded. White-run agencies appeared as the institutional “inventors” of blood banking, while Black roles were limited to staff positions and occasional naming of Drew as an exceptional individual. The collective Black authorship of the system’s logistics, staffing, and donor recruitment remained largely unacknowledged. ## Long-Term Impact on Surgery and Emergency Care The ability to perform complex surgeries, from organ transplants to cardiac procedures, rests on the reliable availability of compatible blood and plasma. So does the modern trauma response to accidents, natural disasters, and wartime injuries. Drew’s methods and the Black medical ecosystems that proved and implemented them made this reliability possible. In recognizing blood transfusion and plasma preservation as Black-authored systems, the archive asserts that every successful transfusion carries this lineage. The system is not an abstract bureaucratic invention but the result of Black scientific insight and institutional perseverance under segregation. Naming that authorship restores the connection between the ordinary lifesaving act and the people who made it possible. ## Sources 1. Spencie Love, One Blood: The Death and Resurrection of Charles R. Drew, University of North Carolina Press, 1996. 2. Louis T. Wright and Jane C. Wright, "Banked Blood and Plasma in Wartime Medicine," Journal of the National Medical Association, vol. 34, 1942. ## Related records - https://www.blacksencyclopedia.com/record/charles-r-drew - https://www.blacksencyclopedia.com/record/united-states-blood-plasma-banking - https://www.blacksencyclopedia.com/record/black-hospitals-in-the-united-states - https://www.blacksencyclopedia.com/record/howard-university-college-of-medicine - https://www.blacksencyclopedia.com/record/segregated-medicine-in-the-united-states --- Cite as: Black's Encyclopedia, "Blood Transfusion and Blood Plasma Preservation," revised July 22, 2026. https://www.blacksencyclopedia.com/record/blood-transfusion-and-blood-plasma-preservation Text under the Black's Record License: cite the record, keep attribution attached, cite the revision date.