Charles Darwin was an English naturalist, geologist and biologist known for his contributions to evolutionary biology.
Jacques Cousteau was a French oceanographer, explorer, and filmmaker who popularized marine conservation and revolutionized underwater exploration.
Zebulon Pike was an intrepid American explorer and soldier who discovered a significant mountain range that now bears his name, the Pike's Peak.
Henry Hudson was an English explorer who navigated the Arctic and North Atlantic Oceans in search of a Northwest Passage to Asia.
Charles Lyell was a renowned British geologist whose groundbreaking work in the field of Uniformitarianism greatly influenced the scientific understanding of Earth's geological history.
James Dwight Dana was a renowned American geologist, mineralogist, and zoologist who made significant contributions to the understanding of the Earth's crust and marine life.
Linnaeus was a renowned Swedish botanist, zoologist, and taxonomist who formalized the modern system of naming organisms.
Thomas Henry Huxley, a prominent British biologist and comparative anatomist, championed Darwin's theory of evolution and was known as "Darwin's Bulldog.
Ernst Mayr was a renowned biologist, ornithologist, and historian of science who made significant contributions to the field of evolutionary biology.
Henry David Thoreau was an American philosopher, naturalist, and transcendentalist known for his influential work, "Walden," which advocates for simple living and self-reliance.
Rachel Carson was an American marine biologist, conservationist, and author whose groundbreaking work, Silent Spring, sparked the environmental movement.
Dian Fossey was an American zoologist and primatologist who dedicated her life to studying and protecting mountain gorillas in Rwanda, becoming a leading advocate for their conservation.
Konrad Lorenz was an Austrian zoologist and Nobel laureate, renowned for his pioneering work in ethology and comparative psychology.
Salim Ali was an Indian ornithologist and naturalist who pioneered bird study and conservation in India, earning him the title "Birdman of India".
William Beebe was a pioneering American naturalist, ornithologist, and marine biologist who explored and documented the wonders of the natural world.