title: Bruce P. Ryan (1932–2014) – A tribute.
authors.forename: Roger J
authors.initials: RJ
authors.lastname: Ingham
authors.forename: Janis C
authors.initials: JC
authors.lastname: Ingham
mesh_terms: D003216:Conditioning, Operant; D049673:History, 20th Century; D006801:Humans; D008297:Male; D012054:Reinforcement, Psychology; D013070:Speech Therapy / Q000266:history*; D013342:Stuttering / Q000266:history / Q000628:therapy*