Auguste Comte
Friedrich Schiller
Sax Rohmer
George John Romanes
H. A. Prichard
W. R. Sorley
Lorenz Oken
Hans Driesch
Anthony M. Ludovici
G. K. Chesterton
Paul Carus
John Dewey
John Alexander Gunn
De Witt H. Parker
Benedetto Croce
George Santayana
William De Witt Hyde
George Stuart Fullerton
John Abercrombie
Roscoe Pound
R. W. Church
Thomas Henry Huxley
Henry Pemberton
