Adolph E. Waller is Associate Professor and Curator of
the Botanic Garden, Department of Botany, Ohio State Uni-
Howard Dittrick is Editorial Director of the Cleveland
Clinic, Cleveland, Ohio.
Philip D. Jordan is a Professor of History at Miami
Edward S. Thomas is Curator of Natural History of this
Bertha E. Josephson is Head of the Department of Docu-
ments and Editorial Associate of the Society.
Frank C. Caldwell is Emeritus Professor, Department of
Electrical Engineering, Ohio State University.