Jean-Baptiste Denis

Jean-Baptiste Denis was a 17th-century French physician known for performing one of the first recorded blood transfusions in 1667. He transfused blood from a lamb into a human, marking a significant milestone in medical history. Denis' work sparked both interest and controversy in the medical community, leading to further experiments and advancements in transfusion practices. Although his early attempts faced criticism and led to various complications, his pioneering efforts laid the foundation for modern blood transfusion techniques, which have saved countless lives today.