Charles F. Henderson / A. C. Hull / 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 / Joseph Benjamin Shepherd / L. F. Locke / L. V. Wilcox / Leonard M. Klein / Lloyd W. Noble / Myron Sallee Anderson / United States. Agricultural Research Service. Animal and Poultry Husbandry Research Branch / Victor Friedrich Bruns / Walter Henricks Hodge / Walter M. Osborn / William H. Metzler / United States. Department of Agriculture / Anselm Clyde Griffin / Gladys L. Gilpin / Ralph Corbin Hall / Vernon Pollard Moore / Wallace M. Johnson / Irwin Hornstein | 