John Ruskin (1819 – 1900) Prominent English social thinker and philanthropist. Art critic as well as an art patron, and water-colorist. He wrote on many subjects including geology, ornithology, architecture and botany.
Hermann Hesse (1877-1962) German-born poet, novelist, and painter. Much of his writings explores the individual's search for authenticity, self-knowledge and spirituality. He received the Nobel Prize in Literature in 1946.