Julius Henry Dawes, Adrian P. Visocky, Harold W. Humphreys, John Byron Stall, L. R. Hoover, Miguel A. Marino, Robert Thomas Sasman, Sandor Csallany, Wyndham John Roberts, Michael Lee Terstriep, Douglas W. Hiestand, Gunnar Sigurdsson, Richard John Schicht, William Henry Baker, H. James Owen · 1969
Krishan P. Singh, Miguel A. Marino, Nani G. Bhowmik, Stanley Alcide Changnon, Thomas A. Butts, Veerasamy Kothandaraman, C G Lonnquist, D H Schnepper, John William Wilson, Ralph L. Evans, Richard John Schicht · 1971