Frederick D. Heald, Pathologist
A. G. Ruggles, Entomologist
J. P. Wentling, Forester in charge of Utilization
Paul J. Anderson, Field Pathologist
F. P. Gulliver, Geographer
Caroline Rumbold, Physiologist in charge of Tree Medication
Joseph Shrawder, Chemist
Roy G. Pierce, Tree Surgeon
Keller E. Rockey, Forester in charge of Demonstration Work
[Illustration]