Spencer Fullerton Baird(US Naturalist, Ornithologist, and Zoologist Who Mostly Studied North American Birds and Mammals)

Spencer Fullerton Baird was a prominent American naturalist with expertise in ornithology, ichthyology, and herpetology. He was instrumental in developing the Smithsonian Institution, serving as its first curator before later becoming the assistant Secretary and ultimately Secretary. Baird greatly enhanced the Institution’s natural history collections during his time there. Furthermore, he held the role of U.S. Commissioner of Fish and Fisheries and was a prolific author, having published over 1,000 works throughout his career.