‘A giant of modern medicine’: Dr. Emil Freireich gave young leukemia patients hope with his groundbreaking research. He died at 93. Adrianna Rodriguez, USA TODAY © MD Anderson Cancer Center Emil J Freireich MD, designs continuous-flow blood separators to divide donor blood into cellular components to obtain white blood cells or platelets; the technique will later be adapted for both immunotherapy and bone marrow transplantation. 1958 Dr. Emil J. Freireich, a legendary cancer doctor whose groundbreaking research gave hope to generations of children diagnosed with leukemi...