Joseph Desch
Desch translated cryptanalytic requirements into a rapidly manufactured electromechanical system. His work demonstrates that security history is also a history of systems engineering under urgent operational constraints.
Joseph Desch was an electrical engineer at the National Cash Register Company who became the principal engineer for the U.S. Navy’s four-rotor Bombe project during the Second World War. The machines were built to support analysis of German naval Enigma traffic.
Engineering for cryptanalysis
Desch’s team converted complex cryptanalytic requirements into practical, high-speed machines under a compressed schedule. The resulting Bombes helped process the settings needed to read protected communications in the U-boat campaign.
In memoriam
Desch died in 1987. His work is preserved as a major example of the engineering effort behind Allied cryptanalysis.
Timeline
- 1907Born in Dayton, Ohio, United States.
- 1929Graduates from the University of Dayton in electrical engineering.
- 1942Selected at NCR as principal engineer for the U.S. Navy Bombe project.
- 1943Completes prototype four-rotor Bombes.
- 1987Dies; later inducted into the NSA/CSS Hall of Honor.
Joseph Desch
- Type
- Person
- Era
- 1940s-1987
- Born
- 1907
- Died
- 1987
- Known for
- U.S. Navy Bombe; Four-rotor Enigma analysis; National Cash Register engineering
- Tags
- cryptanalysis, bombe, enigma, engineering, naval-cryptology
Created by Joas A Santos · Something wrong or want it removed? Open an issue.