Rodney H. True, _Physiologist in Charge_.
A. B. Clawson, Heinrich Hasselbring, C. Dwight Marsh, and W. W.
Stockberger, _Physiologists_.
James Thompson and Walter Van Fleet, _Experts_.
Carl L. Alsberg, H. H. Bartlett, Otis F. Black, H. H. Bunzel, Frank
Rabak, and A. F. Sievers, _Chemical Biologists_.
W. W. Eggleston, _Assistant Botanist_.
S. C. Hood, G. F. Mitchell, and T. B. Young, _Scientific Assistants_.
Alice Henkel and Hadleigh Marsh, _Assistants_.
G. A. Russell, _Special Agent_.