WF
Technology & Engineering

William Friedman

Share
Who

William Friedman · Technology & Engineering

What

Founder of modern statistical cryptanalysis; led the US Army team that broke Japan's 'unbreakable' PURPLE cipher in 1940

When

1891, Chișinău (Kishinev), Russian Empire (now Moldova) — 1969, Washington, D.C., United States

Where

Russian Empire · United States

Biography

William Friedman is recognized among Jewish contributors to Technology & Engineering — Founder of modern statistical cryptanalysis; led the US Army team that broke Japan's 'unbreakable' PURPLE cipher in 1940

How & why

Friedman was a Jewish-American cryptologist, born in Kishinev, who founded modern statistical cryptanalysis and coined the term 'cryptanalysis.' He led the US Army team that broke Japan's 'unbreakable' PURPLE cipher in 1940, a decisive intelligence achievement of World War II. His family were Russian Jews who emigrated to the United States.

Sources & external links

Verify and go deeper with these external references.

Source: Wikipedia; NSA Hall of Honor

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.

Contributions & Sources

Founder of modern statistical cryptanalysis; led the US Army team that broke Japan's 'unbreakable' PURPLE cipher in 1940

1891

Source: Wikipedia; NSA Hall of Honor