Antonio Guell / Arthur Newell Talbot / Claude Mallory Garland / John Myron Bryant / Morgan Brooks / Trygve Dewey Yensen / University of Illinois (Urbana-Champaign campus). Engineering Experiment Station / University of Illinois at Urbana-Champaign. Engineering Experiment Station / Alonzo Plumsted Kratz / Arthur Russell Lord / Harry Gray Hake / Herbert Fisher Moore / Hubert Michael Turner | 