Alonzo Plumsted Kratz / Charles Russ Richards / Harry Harkness Stoek / John McBeath Snodgrass / Leroy Alonzo Wilson / Ray Walter Arms / University of Illinois at Urbana-Champaign. Engineering Experiment Station / Crandall Zachariah Rosecrans / F. H. Guldner / James Russell Fleming / John N. Vedder / University of Illinois (Urbana-Champaign campus). Engineering Experiment Station / Arthur Joseph Hoskins | 