Cryptographer
James H. Ellis
British engineer and cryptographer
- Life
- 1924 – 1997
- Born
- September 25, 1924
- Died
- November 25, 1997
- Nationality
- United Kingdom
James Henry Ellis was a British engineer and cryptographer. Born in Australia but raised and educated in Britain, Ellis joined GCHQ in 1952. He worked on a number of cryptographic projects, but is credited with some of the original thinking that developed into the field of Public Key Cryptography (PKC).





