Benjamin Schwartz / Charlotte Chatfield / E. R. Van Leeuwen / Earl Wooddell Sheets / Eloise Blaine Cram / Ernst H. Wiecking / George McMonies Hunt / Glen Blaine Ramsey / James William Park / John Brown Cuno / John Harold Lister / Joseph Lyonel King / Karl S. Quisenberry / Liberty Hyde Bailey / Marinus Westveld / Neil E. Stevens / Perry Eugene Howard / Robert Montgomery Gehl / Roland McKee / Sherlock Melvin Dietz / Theodore Bergen Manny / United States. Department of Agriculture / Vera Katherine Charles / Wilbur Magruder Hurst / William Orrin Robinson / Benjamin Ralph Stauber / Charles Ranger Enlow / Cortes Gilbert Randell / Georgian Adams / Jacob Allen Clark / James Keever Holloway / Lysle Douglass Leach / Marion Imes / Robert Henry Black / William Ensley Jackson / Willard Hull Wright | 