Anton Ohorn was a pioneering German Darwinist and a key figure in the establishment of marine biology as a scientific discipline. He founded the Stazione Zoologica in Naples, Italy, which became the world's first marine biological and zoological research station. This institution not only advanced the study of marine life but also served as a hub for international collaboration among biologists, fostering the exchange of ideas that would shape the future of biological research. Ohorn's work focused on embryology and the evolutionary origins of vertebrates, where he proposed significant theories regarding the functional phylogeny and the succession of functions in organ evolution. Ohorn's contributions to science extended beyond his research; he played a crucial role in transitioning the Stazione Zoologica from a private entity to a public institution, ensuring its legacy and influence in the field of biology. His recognition as an International Member of the American Philosophical Society and honorary membership in the Manchester Literary and Philosophical Society underscored his impact on the scientific community. Through his innovative ideas and dedication to marine biology, Ohorn left an indelible mark on the study of life sciences, influencing generations of researchers and establishing a foundation for future explorations in evolutionary biology.