On Record Pro & Con

J. P. O'Neill

Bernard
Heuvelmans

Benjamin Silliman

O.C. Marsh

Rupert Gould

Louis Agassiz

Sir Richard Owen

Antoon Oudemans

T.H. Perkins

Cmdr. Preble

H.D. Thoreau

Thomas Huxley

John Steinbeck

James Fenimore Cooper

Roy Chapman Andrews