Leo Marks
Leo Marks · Technology & Engineering
WWII cryptographer who developed one-time pad ciphers.
1920, London, England — 2001, London, England
United Kingdom
Leo Marks is recognized among Jewish contributors to Technology & Engineering — WWII cryptographer who developed one-time pad ciphers.
Leo Marks was a British cryptographer who, as head of codes for the wartime Special Operations Executive (SOE), replaced vulnerable poem-based ciphers with the far more secure WOK and one-time-pad ('letter one-time pad') systems that protected agents behind enemy lines. He later became a screenwriter. He is Jewish.
Verify and go deeper with these external references.
Source: Jinfo.org — Jews in Computer Science
This page is published in seven languages from an English source. The translations are reviewed, but a mistake can still slip through. If you spot one on this profile — a wrong word, a lost date, a sentence that says something the English does not — please tell us.
WWII cryptographer who developed one-time pad ciphers.
Source: Jinfo.org — Jews in Computer Science
Similar Contributors
Arkadi Nemirovski

Danny Cohen
George Dantzig
George Lerner
