by A. C. Hull, Charles Franklin Henderson, Charles Michael Merkel, Edgar Blake Hurd, Edwin Edward Drewniak, Fisk Gerhardt, George R. Struble, Gerald N. Franks, Howard Reynolds, James Robert Douglass, James William Kimmey, Jesse Edward Harmond, John Robinson Winston, L. F. Locke, L. V. Wilcox, Leonard M. Klein, Myron Sallee Anderson, United States. Department of Agriculture, Walter Henricks Hodge, Walter M. Osborn, William H. Metzler, Anselm Clyde Griffin, Gladys L. Gilpin, Ralph Corbin Hall, Vernon Pollard Moore, Wallace M. Johnson, Irwin Horstein

1954