Henry David Thoreau was an American essayist, poet, philosopher, abolitionist, naturalist, tax resister, development critic, surveyor, and historian. Thoreau is best known for his book Walden (1854), a reflection upon simple living in natural surroundings. [source]
" When I went to the woods because I wished to live deliberately, to front only the essential facts of life, and see if I could not learn what it had to teach, and not, when I came to die, discover that I had not lived. "
John Griffith "Jack" London ( 1876 – 1916) was an American novelist, journalist, and social activist. Best known for his novels "The Call of the Wild" and "White Fang".
“He had been suddenly jerked from the heart of civilization and flung into the heart of things primordial.” Into the Wild.