As a mathematician with the Institute for Defense Analyses, which provides research to the Defense Department, Dr. Robbins worked on making and breaking codes.
Dr. Neumann explained that there are always ways to get around cryptography barriers and that these methods have nothing to do with breaking codes.
While the N. S. A. is officially some 55 years old, the museum encompasses the country's extended experience in making and breaking codes.
The technology that will cashier the linguists, mathematicians and hackers who have traditionally devoted themselves to breaking codes comes with a cool name: quantum cryptography.
On his bedside table are "Cryptonomicon," Neal Stephenson's novel about making and breaking codes, and Jack D. Schwager's "New Market Wizards: Conversations with America's Top Traders".
William Tutte, a theoretical mathematician who contributed substantially to breaking codes in World War II, died on May 2 in Kitchener-Waterloo, Ontario. Kitchener-Waterloo, Ontario
