Chemical

L. M. Tolman, James Garfield Riley
W. H. Simmons, H. A. Appleton
Kisari Mohan Ganguli, change, Kisari Mohan Ganguli
N/A, Francis J. (Francis Joseph) Reynolds, Francis Trevelyan Miller, Allen L. (Allen Leon) Churchill
Grenville Kleiser, Grenville Kleiser
Richard Threlfall