Vladimir Vernadsky was a Russian and Soviet scientist born in 1863, known for his contributions to the fields of geology, biogeochemistry, and the philosophy of science. He is best recognized for developing the concept of the biosphere, which describes the global sum of all ecosystems and emphasizes the role of living organisms in shaping the Earth's environment. Vernadsky also played a significant role in the establishment of geochemistry as a scientific discipline. His work laid the foundation for understanding the interactions between the Earth's biological and geological processes, influencing future research in environmental science and ecology. He passed away in 1945.