By F. W. Walbank
By Henry George Fischer
By Suzanne Macleod (University of Leicester, UK)
By Sean R. Roberts, Ben Emmerson
By David Livingstone Smith
By Kent Flannery, Joyce Marcus
By Richard Sandell (University of Leicester, UK), Robert R. Janes
By Malcolm Alexander, Archbishop Desmond Tutu
By George F. Bass
By Richard Benson
By Mike Osborne
By Richard E. Leakey, Roger Lewin
By Pal Kolsto
By Anthony D. Smith (London School of Economics)
By Morris, John
By Roy Ellen, Katsuyoshi Fukui
By Peters, Scott
By Mary Catherine Bateson
By Katharine Makower
By Christopher Hibbert
By Ian Stead
By Gowar, Mick, Harknett, Sarah-Jane, Collins Big Cat
By Julian Richards (Archaemedia (United Kingdom))
By John Wolffe
By Stephen Jay Gould, Paul McGarr, Steven Rose
By George E. Hein (Lesley University, Massachusetts, USA)
By Royston, Angela, Pollard, Michael
By Lamorna Ash
By Christopher Bollas