Frank Leslie Duley Ā· Alfred Douglas Edgar Ā· Arthur Frederick Sievers Ā· Claude Kedzie Shedd Ā· Frank W. Tilley Ā· George McMillan Darrow Ā· Harold Everett Tower Ā· Harry L. Garver Ā· Irvin Fay Reed Ā· Leon Sherwood Minckler Ā· Morris Samson Lowman Ā· Myron Francis Babb Ā· O. L. Mimms Ā· Philip Luginbill Ā· Rush Porter Marshall Ā· Tom Dale Ā· Verne Elbert Davison Ā· Walter Whittier Swett Ā· William Phelps Everard Ā· William White Ā· Alma May Waterman Ā· Arthur Glenn Chapman Ā· Elmer Clark Stevenson Ā· George Fordyce Waldo Ā· Harry Harrison Gardner Ā· James Ellsworth Kraus Ā· Jouette Clark Russel Ā· Miriam Birdseye Ā· William John Zaumeyer
Jan 1951 Ā· U.S. Department of Agriculture