Nikolai Konstantinovich Rerikh , better known as Nicholas Roerich (; October 9, 1874 – December 13, 1947), was a Russian painter, writer, archaeologist, theosophist, philosopher, and public figure. In his youth he was influenced by Russian Symbolism, a movement in Russian society centered on the spiritual. He was interested in hypnosis and other spiritual practices and his paintings are said to have hypnotic expression.
