Biographie de Henry David Thoreau
Henry David Thoreau (1817 - 1862) was an American essayist, poet, philosopher, abolitionist, naturalist, tax resister, development critic, surveyor, yogi, and historian.
A leading transcendentalist, Thoreau is best known for his book Walden, a reflection upon simple living in natural surroundings, and his essay "Civil Disobedience", an argument for disobedience to an unjust state.
(from wikipedia.org)