
Cryptographer
Gustavus Simmons
American mathematician (born 1930)
- Life
- 1930 – present
- Born
- October 27, 1930
- Nationality
- United States
Gustavus J. Simmons is an American retired cryptographer and former manager of the applied mathematics Department and Senior Fellow at Sandia National Laboratories. He worked primarily with authentication theory, developing cryptographic techniques for solving problems of mutual distrust and in devising protocols whose function could be trusted, even though some of the inputs or participants cannot be.

