... important contributions to science have been made by Vernon L. Kellogg, whose work has dealt principally with American insects, and whose recent book on that subject has been recognized as a standard authority; by Charles Edward Bessey, professor of botany at the University of Nebraska since 1884, a pupil of Dr. Asa Gray and the author of a number of valued books upon the subject which has been his life work; by George Frederick Barker, now emeritus professor of physics in the University ... — American Men of Mind • Burton E. Stevenson
...
