T. Roger Smith
George P. Marsh
Richard A. Proctor
H. B. Fantham, J. W. W. Stephens & F. V. Theobald
Harry Snyder
Richard Folkard
Thomas Henry Huxley
Samuel Smiles
Ernst Haeckel
Robert S. Ball
Carveth Read
Charles Lyell
W. L. H. Duckworth
Charles Darwin
