English ethologist, evolutionary biologist, author and outspoken atheist who champions scientific answers to existential questions.
Nobel Prize-winning Dutch atmospheric chemist known for work on climate change research and for popularizing the term Anthropocene.
American physical anthropologist and educator who opposed the teaching of creationism in schools.
Controversial English astronomer who coined the term the "Big Bang Theory" live on the BBC Radio.
Scottish explorer, professor, journalist and peace advocate who is credited with developing science reporting in Britain.
English evolutionary biologist and humanist, first director of UNESCO and co-founder of the World Wildlife Fund.
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