LM
Technology & Engineering
Leo Marks
Who
Leo Marks · Technology & Engineering
What
WWII cryptographer who developed one-time pad ciphers.
When
1920, London, England — 2001, London, England
Where
United Kingdom
Biography
Leo Marks is recognized among Jewish contributors to Technology & Engineering — WWII cryptographer who developed one-time pad ciphers.
How & why
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.
Sources & external links
Verify and go deeper with these external references.
Source: Jinfo.org — Jews in Computer Science
Contributions & Sources
WWII cryptographer who developed one-time pad ciphers.
1920
Source: Jinfo.org — Jews in Computer Science
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