Conversation so far:
Who had the largest influence on Julian Huxley?
Julian Huxley's grandfather, a Darwinist, was his largest influence
Was Julian Huxley influenced from his family?
Yes; his grandfather was a friend and supporter of Charles Darwin, and other family members were biologists, writers, poets, and academics

Question: What did Huxley believe?
Self-contained rewrite: What did Julian Huxley believe?