Late Chief of Bureau of American Ethnology; author of Studies in Sociology, The Cañons of the Colorado, etc.

IRA REMSEN, Ph.D., LL.D.

Ex-President Johns Hopkins University; author of The Elements of Chemistry, Classical Experiments, etc.

HENRY A. ROWLAND, Ph.D., LL.D.

Late Professor Johns Hopkins University; author of Mechanical Equivalents of Heat, The Solar Spectrum, etc.

BOHUMIL SHIMEK, C.E., M.Sc.

Iowa State University; Botanist; author of numerous scientific papers.

AINSWORTH R. SPOFFORD, LL.D.

Late Librarian of Congress, Critic; editor of Library of Choice Literature, Book for All Readers, etc.

ROBERT H. THURSTON, LL.D., D.Eng.