By Ed Hooper
By Helen Bynum (Freelance historian)
By A. P. Ball, J. A. Gray
By Paul Monette
By R.T.D. Emond
By Roger Woodruff
By Thomas Dormandy
By Claude Quetel (Historian and Researcher, Centre Nationale de la Recherche Scientifique, Paris, France), Judith Braddock, Brian Pike
By Kate Bingham, Tim Hames
By Douglas Wilson, Mark Cotton, Linda Gail Bekker, Tammy Meyers, Francois Venter
By Anthea Allen
By Sandra Hempel
By Natasha Lindstaedt
By M. Gillman, Tim Halliday
By I. Edward Alcamo
By John Iliffe
By Dorothy H. Crawford (Professor of Medical Microbiology and Assistant Principal for the Public Understanding of Medicine, University of Edinburgh)
By Anne-Christine D'Adesky
By George Clement Bond, John Kreniske, Ida Susser, Joan Vincent
By Paul Volberding, Merle A. Sande, Joep Lange, Dr. Warner Greene, Joel E. Gallant
By King Holmes, P. Sparling, Walter Stamm, Peter Piot, Judith Wasserheit
By Raphael Dolin, Henry Masur, Michael S. Saag
By Siobhan M. Murphy, G. Brook, Martin A. Birchall
By Anthony Wisdom
By Anthony Bryceson, Roy E. Pfaltzgraff
By Tessa M. Pollard (University of Durham)
By Lydia Boyd
By Susan Reynolds Whyte