The most influential Intellectual icons across a span of generations.
http://www.ranker.com/list/the-greatest-intellectual-thinkers/harvardgazette,
Albert Einstein
Aldous Huxley
Allen Ginsberg
Howard Zinn
Jean-Paul Sartre
Mahatma Gandhi
Martin Luther King, Jr.
Nikola Tesla
Noam Chomsky
Suzy Kassem