Steven Kotler
D. A. Benton
David Kingsley Brace
Martin Johnson
Internationales Berliner Sportspiel-Symposion (8th 1989)
Peter Westbrook
Howard A. Wenger
Kazuyuki Kanosue
Jay Woodard
Willie Clyde Jackson
Ekos Research Associates.
Isaac Byrd
Jim Brown
Gordon Walter Inglis
Marlin Peter Vis
David Richard Brown
Guy Nicholas Bertich
Yoshiyuki Noguchi