title: In memoriam Louis H. Hempelmann (1914-1993). An appreciation.
authors.affiliation: Clinical Epidemiology Branch, National Cancer Institute, Bethesda, MD 20892.
authors.forename: R W
authors.initials: RW
authors.lastname: Miller
authors.forename: T R
authors.initials: TR
authors.lastname: Koszalka
mesh_terms: D049673:History, 20th Century; D011853:Radiobiology / Q000266:history; D014481:United States