By David Tynan, Natalie Caruso, John Dowsey, Peter Flynn
By Mary Ann Radzinowicz
By Philip M. Nichols (University of Pennsylvania), Diana C. Robertson (University of Pennsylvania)
By Peter Lucantoni
By J. Kelly Beatty, Andrew Chaikin, Carl Sagan
By R. M. Jackson
By David B. Magleby (Brigham Young University, Utah), Jay Goodliffe (Brigham Young University, Joseph A. Olsen (Brigham Young University
By R. H. F. Hunter (Royal Veterinary University, Copenhagen, and University of Cambridge)
By Mary Buckley
By Sarah Bradstock, Elizabeth Thrum
By John N. Bahcall
By Herbert Puchta, Jeff Stranks, Peter Lewis-Jones
By Harry Leather, Jan Leather
By B. Jean Naterop, Rod Revell (University of Warwick)
By Anthony Green
By Michael Billig (Loughborough University)
By Jane Arnold (Universidad de Sevilla)
By Duane Quiatt (University of Colorado), Vernon Reynolds (University of Oxford)
By Patrick Manning (University of Pittsburgh)
By Dan Mayer (Albany Medical College, New York)
By Julia Holt
By H. Davenport
By H. V. Livermore
By Steinar Stjerno (Professor of Social Policy, Universitetet i Oslo)
By Michael Mann
By Michael Mann (London School of Economics and Political Science)
By Robert Gilpin
By Anthony D. Smith (London School of Economics)
By adrian wallwork
By David Evans