Edgar John Udine / Edmund Lambert / Edward Mackay Chace / Emil George Boerner / F. L. Duley / Franklin Arthur Coffman / George Emil Gaus / Gerard Dikmans / Harold Robert Hochmuth / John Stuart Pinckney / Joseph Benjamin Shepherd / M. A. Yothers / Mark Hughlin Haller / Robert Hale Nelson / Roland McKee / Russell Rutherford Whitten / United States. Department of Agriculture / Victor Leo Stedronsky / W. A. Douglas / W. G. Bradley / William John Reid / William Solomon Porte / Carroll Clayton Cassil / Charles Scott Shaw / Dean Humboldt Rose / Earl Raymond Franklin / Harry August Schoth / Harry Bruce Walker / Latimer Ludwig Kelly / Paul B. Allen / Rhea Emerson Stitt / Thomas Laffin Baggette / Thompson Elwyn Woodward / William Alexander Noel / Arvid John Johnson / Marion Clawson / Paul Lewis Harding / Vinnie Arah Pease / Waldo Harold Kliever | 