11. Marc is currently employed as a Cryptology Researcher at Centrum Wiskunde & Informatica. 12. David Kahn identifies World War I as a major turning point for institutional cryptology . 13. Faisal Shaikh is head of the cryptology department for Britain's Government Communications Headquarters. 14. Friedman had begun an intensive program of training in cryptology for his new civilian employees. 15. Their intercepts were sent to the navy cryptology section in Melbourne via RAAF Signals Darwin. 16. After the war, successful cryptology against major nation states required large-scale organization. 17. Japanese cryptology does not seem to have been affected at all by the Great War. 18. The translation of code names was provided in footnotes by U . S . cryptology experts. 19. When confronted by FBI agents at the airport, Regan denied that he knew about cryptology . 20. Kahn, then a journalist, was contracted to write a book on cryptology in 1961.