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The International Conference on Cryptologic History has members from a variety of backgrounds and areas of expertise, from cryptanalysis to cipher machines. Members are encouraged to contribute presentations to the group.
Here are the profiles of ICCH speakers. Click on each speaker image to reveal more information below, including their bio, website and presentations.
Note: Effort has been made to ensure that the information on each speaker profile is accurate and up-to-date. To suggest a correction please contact the ICCH webmaster Patrick Hayes at .
Ralph Simpson worked in the computer industry for 32 years, at IBM and Cisco Systems. He is now retired and volunteers at a local history museum. He wrote a book on cipher history called, Crypto Wars: 2000 Years of Cipher Evolution. He is also an avid collector of cipher machines. Ralph lives in San Jose, California, where he hosts his Cipher History Museum.
April 13, 2023
The International Conference on Cryptologic History has members from a variety of backgrounds and areas of expertise, from cryptanalysis to cipher machines. Members are encouraged to contribute presentations to the group.
Here are the profiles of ICCH speakers. Click on each speaker image to reveal more information below, including their bio, website and presentations.
Note: Effort has been made to ensure that the information on each speaker profile is accurate and up-to-date. To suggest a correction please contact the ICCH webmaster Patrick Hayes at info@cryptologichistory.org.
Ralph Simpson worked in the computer industry for 32 years, at IBM and Cisco Systems. He is now retired and volunteers at a local history museum. He wrote a book on cipher history called, Crypto Wars: 2000 Years of Cipher Evolution. He is also an avid collector of cipher machines. Ralph lives in San Jose, California, where he hosts his Cipher History Museum.
April 13, 2023
