Johannes Peter Müller was a groundbreaking German biologist and physician whose extensive research and publications significantly advanced the fields of embryology, neuroscience, and comparative anatomy.
Ernst Mayr was a renowned biologist, ornithologist, and historian of science who made significant contributions to the field of evolutionary biology.
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.