title: Derek Oliver Berg (1926-2014).
authors.forename: Graeme
authors.initials: G
authors.lastname: Morgan
authors.forename: Kumar
authors.initials: K
authors.lastname: Gogna
mesh_terms: D049673:History, 20th Century; D049674:History, 21st Century; D008495:Medical Oncology / Q000266:history*; D009517:New South Wales; D018787:Radiation Oncology / Q000266:history*; D011878:Radiotherapy / Q000266:history*