George Santayana was a Spanish-born American philosopher, essayist, and poet known for his influential works on aesthetics, culture, and the nature of reality.
Hilary Putnam was an American philosopher and mathematician, renowned for his work in philosophy of mind, philosophy of language, and philosophy of science.
Edward O. Wilson was an American biologist, researcher, and author, best known for his groundbreaking work on evolution, sociobiology, and biodiversity.
Robert Nozick was an influential American philosopher known for his groundbreaking work on political philosophy, including his defense of minarchism and critique of state power.