Mahlon E. Doyle (June 14, 1924 – March 4, 2017) was an American cryptologist, inventor, innovator, and author.
[2] During World War II, Doyle served in the Army, working on the SIGSALY voice encryption system.
The division was responsible for designing the cryptographic algorithms used by the U.S. and its Allies to protect classified information and the U.S. Nuclear Command and Control System.
[1] Doyle designed the cryptologics for major COMSEC systems used by the United States government for four decades.
Mahlon E. Doyle died in Silver Springs, Maryland on March 4, 2017, aged 95.