title: Obituary. Robert Simpson.
authors.forename: Gary
authors.initials: G
authors.lastname: Felsenfeld
mesh_terms: D002843:Chromatin / Q000737:chemistry / Q000235:genetics / Q000378:metabolism*; D049673:History, 20th Century; D008967:Molecular Biology / Q000266:history*; D014481:United States
chemical_list: D002843:Chromatin