John Butt, _University of Edinburgh_
James L. Clifford, _Columbia University_
Arthur Friedman, _University of Chicago_
Louis A. Landa, _Princeton University_
Samuel H. Monk, _University of Minnesota_
Everett T. Moore, _University of California, Los Angeles_
James Sutherland, _University College, London_
H. T. Swedenberg, Jr., _University of California, Los Angeles_