By Steven Kaczmarek
By Waymire, Richard, Sawtell, Rick
By Keith Brophy, Tim Koets
By Reader's Digest
By Shepherd, Michael
By F.W. Karasek, R.E. Clement (University of Waterloo, Waterloo, Ontario, Canada)
By M.E.M. Jones
By Milton Orchin, etc.
By Bassey J.S. Efiok
By Graham, Alan, Eccles, Anthony, Francis, Bob, Porkess, Roger, Hennessy, Liam
By Keith Devlin
By TickTock Books
By Forrest Wilson
By Mike McGrath
By Johnson, Steven
By Dredge, Richard
By Theodore L. Brown, H. Eugene LeMay, Bruce E. Bursten, H. Eugene LeMay Jr (University of Nevada, Reno, USA), Bruce E. Bursten (Ohio State University
By Dietrich Stauffer, H.Eugene Stanley
By W.Edward Gettys, etc., Frederick K. Keller, Malcolm J. Skove
By Alan Isaacs
By Byron, John
By Kalton C Lahue
By Michael Nelkon
By De Levie
By White, Ron, Edward Downs, Timothy
By John Perry, Jack Challoner
By Bill Gates, Nathan Myhrvold, Peter Rinearson
By Professor Steve Jones