Richard Rhodes (1986). The Making of the Atomic Bomb. New York: Simon & Schuster. pp. 24. ISBN0-684-81378-5. In a volume published in 1968, Szilard wrote: "Knowing what [a chain reaction] would mean—and I knew because I had read H.G. Wells—I did not want this patent to become public." Quoted in Norman and Jeanne MacKenzie, H.G. Wells: A Biography (New York: Simon and Schuster, 1973), p. 299.