Today is the anniversary of the birth of Henry David Thoreau.
According to https://en.wikipedia.org/wiki/Henry_David_Thoreau,
Henry David Thoreau (July 12, 1817 – May 6, 1862) was an American author, poet, philosopher, abolitionist, naturalist, tax resister, development critic, surveyor, and historian. A leading transcendentalist, Thoreau is best known for his book Walden, a reflection upon simple living in natural surroundings, and his essay Resistance to Civil Government (also known as Civil Disobedience), an argument for disobedience to an unjust state.
The Poetry Foundation website (http://www.poetryfoundation.org/poems-and-poets/poets/detail/henry-david-thoreau) says,
Though not a professional philosopher, Henry David Thoreau is recognized as an important contributor to the American literary and philosophical movement known as New England Transcendentalism. His essays, books, and poems weave together two central themes over the course of his intellectual career: nature and the conduct of life.