Ernst Haeckel 1910

This is a portrait photograph of Ernst Haeckel, a German biologist, naturalist, philosopher, physician, professor, and artist who specialized in zoology, and evolutionary biology. It was taken by Nicola Perscheid in 1910. Haeckel is well-known for his contribution to the field of evolutionary theory, and the popularization of Darwin's theory of evolution. He was a strong advocate for Darwin's theory of evolution, and his work helped to make Darwin's ideas accessible to a wider audience. Haeckel is also known for his beautiful and detailed illustrations of animals, which he used to promote his scientific ideas.