Who was a non-fiction writer, Isaac Bashevis Singer or Alvin Toffler
Alvin Toffler: Alvin Toffler (October 4, 1928 – June 27, 2016) was an American writer, futurist, and businessman known for his works discussing modern technologies, including the digital revolution and the communication revolution, with emphasis on their effects on cultures worldwide. Isaac Bashevis Singer:  He was also awarded two U.S. National Book Awards, one in Children's Literature for his memoir "A Day Of Pleasure: Stories of a Boy Growing Up in Warsaw" (1970) and one in Fiction for his collection "A Crown of Feathers and Other Stories" (1974).
Alvin Toffler