Albert Einstein, Colette M. Kinnon, A. N. Kholodilin, J. G. Richardson (1981). “The Impact of modern scientific ideas on society: in commemoration of Einstein”, D Reidel Pub Co
"'The Real Problem Is in the Hearts of Men'; Professor Einstein says a new type of thinking is needed to meet the challenge of the atomic bomb. 'The Real Problem' 'The Real Problem' 'The Real Problem'" by Albert Einstein in an interview with Michael Amrine, www.nytimes.com. June 23, 1946.