Weather and our food supply, Center for Agricultural and Economic Development, Iowa State University, Cecil H. Wadleigh, Robert H. Shaw, Louis M. Thompson, Robert F. Dale, Ludwig Auer, Donald D. Durost, Rex L. Hurst, Hurd C. Willett, Louis H. Bean, Wayne C. Palmer, J. Murray Mitchell Jr., Bruce W. Kelly, John W. Kirkbride, Arthur T. Thompson, M. L. Upchurch, Mordecai Ezekiel, Karl A. Fox, Robert Buck, H. G. Halcrow, Donald R. Kaldor, Lauren Soth
Robert H. I. Dale