Henry David Thoreau, American essayist, poet, and philosopher (born 1817)

Henry David Thoreau was an American naturalist, essayist, poet, and philosopher. A leading transcendentalist, he is best known for his book Walden, a reflection upon simple living in natural surroundings, and his essay "Civil Disobedience", an argument in favor of citizen disobedience against an unjust state.