title: Obituary: John F. Mullan, MD, 1925-2015: neurosurgery's modern statesman.
authors.affiliation: Section of Neurosurgery, University of Chicago Medicine and Biological Sciences, Chicago, Illinois.
authors.forename: Issam A
authors.initials: IA
authors.lastname: Awad
authors.affiliation: Section of Neurosurgery, University of Chicago Medicine and Biological Sciences, Chicago, Illinois.
authors.forename: Javad
authors.initials: J
authors.lastname: Hekmatpanah
authors.affiliation: Section of Neurosurgery, University of Chicago Medicine and Biological Sciences, Chicago, Illinois.
authors.forename: David
authors.initials: D
authors.lastname: Frim