title: Obituary: David Shoenberg (1911-2004).
authors.affiliation: R. G. Chambers is Emeritus Professor of Physics, H. H. Wills Physics Laboratory, University of Bristol, Bristol BS8 1TL, UK.e-mail: r.g.chambers@btinternet.com
authors.forename: R G
authors.initials: RG
authors.lastname: Chambers