editor, Walmor C. De Mello. edited by Walmor C. De Mello. editor, F. G. Bell. editor, Louis G. Nickell. editor, Arthur P. Bollon. editor, Ronald A. DeLellis. editor, Clifford L. Mitchell. editor, C. Truesdell. editor, John G.R. Hurrell. editor, R.E. Kelly.