Morphine

Mikhail Afanasyevich Bulgakov (May 15 [O.S. May 3] 1891, Kiev – March 10, 1940, Moscow) was a Soviet Russian writer and playwright active in the first half of the 20th century. He is best known for his novel The Master and Margarita, which The Times of London has called one of the masterpieces of the 20th century. - Excerpted from Wikipedia, the free encyclopedia.