Albert Kellogg

American botanist

German-American gunsmith and naturalist

American physician, surgeon, and ornithologist

American physician, pharmacist and botanist

American paleontologist

Botanist

American paleontologist, malacologist, and geologist

American physician, scientist, inventor

German chemist, botanist, archaeologist and photographer

An Italian inventor and an associate of Giuseppe Garibaldi

American botanist and physician

German-American artist, topographical engineer, cartographer, botanist and geologist

American geologist

Confederate Army general

American conservationist

American artist

American biologist

American botanist, chemist & academic

Naturaliste américain

American naturalist