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
What did Julian Huxley believe?
Huxley believed in natural selection
Did Julian Huxley believe in God?
He was a nonbeliever
Where did Julian Huxley study?
Huxley studied at Oxford
Did Julian Huxley do any public speaking?
Yes; Huxley was always able to write well, and was ever willing to address the public on scientific topics
Did Julian Huxley serve on any public boards?
Yes, he was secretary to the Zoological Society

Question: What was he able to influence in Africa?
Self-contained rewrite: What was Julian Huxley able to influence in Africa?