title: In Memoriam: William M. "Bill" Beckner (1932-2015).
authors.affiliation: NCRP President, ICRP Main Commission and UNSCEAR Delegate.
authors.forename: John D
authors.initials: JD
authors.lastname: Boice
mesh_terms: D006283:Health Physics / Q000266:history*; D049673:History, 20th Century; D049674:History, 21st Century; D014481:United States