"THE CENTRAL MAN OF ALL THE
WORLD."

A Course of Lectures Delivered Before the Student Body
of the New York State College for Teachers,
Albany, 1919, 1920

COPYRIGHT, 1920, BY
P. J. KENEDY & SONS, NEW YORK

Printed in U. S. A.

294549

DEDICATION

THIS MODEST WORK OWES ITS

PUBLICATION TO THE ENCOURAGEMENT OF

PRESIDENT ABRAM R. BRUBACHER

AND

DEAN HARLAN H. HORNER

OF THE STATE COLLEGE FOR TEACHERS, ALBANY, N. Y. WHERE MANY PLEASANT HOURS WERE PASSED IN DELIVERING THESE LECTURES. TO THESE FRIENDS AND TO THE STUDENT-BODY OF THE COLLEGE THE AUTHOR HAS THE HONOR OF DEDICATING THIS BOOK