During the 1920s Herbert O. Yardley was chief of the first peacetime cryptanalytic organization in the United States, the ancestor of today's National Security

The history and work of the Cryptographic Bureau, officially known as section 8 of the U.S. War Dept. Military Intelligence Division (MI-8).

"An illustrated directory of experimental, Dada and, in particular, Surrealist photography from 1918-1948, containing over 200 photographic images by some 50 re

One of the most colorful and controversial figures in American intelligence, Herbert O. Yardley (1889-1958) gave America its best form of information, but his f

The first novel in a brand-new alternate history series where Teddy Roosevelt is president for a second time right before WWI breaks out, and on his side is the