1. Men of Mathematics;Bell,1937
2. Dark Hero of the Information Age: In Search of Norbert Wiener, The Father of Cybernetics;Conway,2005
3. The universal history of numbers and the universal history of computing;Dauben;Notices of the American Mathematical Society,2002
4. The Mind of the Mathematician;Fitzgerald,2007
5. Gordon, N., 2009. Karaites in the Holocaust? A Case of Mistaken Identity. Available from: (accessed 27.11.09).