Besides oral conversations and written language many other ways of information-transport are known: like the bush telegraph, drums, smoke signals etc. Those methods are not cryptography, still they need en- and decoding, which means that the history of language, the history of communication and the history of cryptography are closely connected to each other
The timeline gives an insight into the endless fight between enciphering and deciphering. The reasons for them can be found in public and private issues at the same time, though mostly connected to military maneuvers and/or political tasks.
One of the most important researchers on Cryptography through the centuries is
TEXTBLOCK 1/1 // URL: http://world-information.org/wio/infostructure/100437611776/100438658824
Alfred W. Erickson founded the advertising agency McCann Erickson in 1902. In1913 McCann opened a San Francisco office and a Detroit office that moved to Cleveland in 1915. With operations in 127 countries, McCann reaches across the globe and continues to expand its capabilities through start-up units and acquisitions. McCann has recently added creative resources in the local, pan-regional and global arenas and also extended its expertise in specialized marketing categories, such as business-to-business and high-tech communications.