By Martin Heidegger, Thomas Sheehan
By Oakeshott, Michael
By Badiou, Alain, Hallward, Peter
By De Bono, Edward
By Roy van den Brink-Budgen
By Heaton, John, Groves, Judy
By Plenderleith, Allan
By Boolos, George S., Jeffrey, Richard C.
By Pitty, A.F.
By Barker–plummer, David, Barwise, Jon, Etchemendy, John
By Edward de Bono
By Ishiguro, Hide
By Lucas, J. R.
By Sullivan, Karen
By Maurice Hanssen, Hanssen
By Quine, Willard Van Orman
By How2Become, .
By MacEoin, Beth
By DAN CRYAN, SHARRON SHATIL, BILL MAYBLIN, Mayblin, Bill, Cryan, Dan, Shatil, Sharron
By Thompson, Mel
By Thomson, Anne
By W.H. Newton-Smith
By C. Phillips
By Mark Kac
By Bertrand Russell, John Slater
By Jens Allwood, Lars-Gunnar Andersson, Osten Dahl
By Tracy Bowell (University of Waikato, New Zealand), Gary Kemp (University of Glasgow, UK)
By Roland Paris (University of Colorado, Boulder)