John Henry Newman
W. S. Bell
Jean-Marie Guyau
Baron d'Holbach
David Marshall Brooks
Philip Gilbert Hamerton
Lev Shestov
John Ruskin
Benedetto Croce
Margaret Cavendish
Friedrich Schiller
George Bernard Shaw
George John Romanes
H. A. Prichard
Harold J. Laski
William Whewell
Willard Huntington Wright
Franz Boas
John Neville Keynes
Lorenz Oken
Everett Dean Martin
Paul Carus
John Dewey
