Ichthyologists
George Brown Goode(Ichthyologist)
(Ichthyologist)
Spencer Fullerton Baird(US Naturalist, Ornithologist, and Zoologist Who Mostly Studied North American Birds and Mammals)
(US Naturalist, Ornithologist, and Zoologist Who Mostly Studied North American Birds and Mammals)
Johannes Peter Müller
(One of the Great Natural Philosophers of the 19th Century)