Julian Huxley (1887-1975) was a British biologist, philosopher, and writer known for his contributions to evolutionary biology. He was a prominent figure in the early 20th century and played a key role in the development of the modern synthesis, which integrated genetics with Darwinian evolution. Huxley was also a founding member of the World Wildlife Fund and advocated for conservation and environmental issues. In addition to his scientific work, Huxley was an influential author, writing several books that explored the implications of science on society. He was a grandson of the famous writer Thomas Huxley, known as "Darwin's Bulldog," and was part of a family that significantly impacted science and literature.