Dr. Leon Orris Jacobson (December 16, 1911 – September 20, 1992) was an American physician, hematologist, radiologist and medical researcher.
He was professor emeritus of biology and medicine at the University of Chicago and made notable contributions to the study of radiology and hematology, with major impacts on chemotherapy and radiotherapy.
[1][2] Leon Orris Jacobson was born in Sims, North Dakota.
Leon Jacobson died at the University of Chicago Hospital on September 18, 1992.
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