Anna Barrows / Charles Dwight Marsh / Charles Vancouver Piper / Clyde Harry Teesdale / Dan T. Gray / Edward H. Thomson / Edwin Richard Kalmbach / Eugene Wiley Scott / Frank Cummings Cook / Frank Gary Eason / Fred Taylor / Frederick Charles Scobey / Harold Joslyn Besley / Harry B. Shaw / John June Davis / Josef Brunner / Oswald Schreiner / Perley Spaulding / Rodney Howard True / United States. Department of Agriculture / V. L. Wildermuth / Walter Long Williams / William Orrin Robinson / William Salisbury Ballard / A. B. Clawson / George Henry Baston / Harrison Morton Dixon / John Howard Paine / Joshua John Skinner / Robert Harris Hutchison / W. F. Ward / Wells Alvord Sherman / William Hunter Volck / William Joseph Morse / Freeman Montague Scales / Hadleigh Marsh | 