File:Genevieve Grotjan Feinstein.jpg

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Transwiki approved by: w:en:User:Dmcdevit

Summary

DescriptionGenevieve Grotjan Feinstein.jpg	English: Description at source: Genevieve Grotjan Feinstein Genevieve Feinstein hoped to become a math teacher. However, after taking the tests to become a professional government mathematician, she was offered a job with the Signal Intelligence Service (SIS). In 1939, Mrs. Feinstein was a cryptanalyst involved in the decryption and reading of Japanese diplomatic messages. In September 1940, she made a discovery that changed the course of history. Her successful breakthrough enabled the SIS to build an analog machine to decrypt the Japanese diplomatic messages, known as "Purple", throughout World War II. Mrs. Feinstein followed her success with work on other Japanese cipher systems and as a pioneer in the cryptanalytic research section working on a variety of machine cipher systems. Following the war, she was assigned to the Soviet problem working on the Venona Project.
Date	circa 1939 date QS:P,+1939-00-00T00:00:00Z/9,P1480,Q5727902
Source	This image was copied from wikipedia:en. Original source: http://www.nsa.gov/women/women00017.cfm Valid link as of 2020-4-5: https://www.nsa.gov/About-Us/Current-Leadership/Article-View/Article/1621585/genevieve-grotjan-feinstein/
Author	U.S. Army

Description there:

Genevieve Grotjan Feinstein

Genevieve Feinstein hoped to become a math teacher. However, after taking the tests to become a professional government mathematician, she was offered a job with the Signal Intelligence Service (SIS). In 1939, Mrs. Feinstein was a cryptanalyst involved in the decryption and reading of Japanese diplomatic messages. In September 1940, she made a discovery that changed the course of history. Her successful breakthrough enabled the SIS to build an analog machine to decrypt the Japanese diplomatic messages, known as "Purple", throughout World War II.

Mrs. Feinstein followed her success with work on other Japanese cipher systems and as a pioneer in the cryptanalytic research section working on a variety of machine cipher systems. Following the war, she was assigned to the Soviet problem working on the Venona Project.

Licensing

This article or image contains materials that originally came from a National Security Agency (NSA) website or publication. It is believed that this information is not classified, and is in the public domain in the United States. See the privacy and security information.

Original upload log

date/time	username	resolution	size	edit summary
20:44, 18 December 2006	w:en:User:RashBold	173×213	7 KB	http://www.nsa.gov/women/women00017.cfm

Image description page history

link	date/time	username	edit summary
http://en.wikipedia.org/w/index.php?title=Image:Ggrotjan.jpg&redirect=no&oldid=95161895	10:39, 11 September 2007	w:en:User:Dmcdevit
http://en.wikipedia.org/w/index.php?title=Image:Ggrotjan.jpg&redirect=no&oldid=95161895	20:44, 18 December 2006	w:en:User:RashBold
http://en.wikipedia.org/w/index.php?title=Image:Ggrotjan.jpg&redirect=no&oldid=95161787	20:44, 18 December 2006	w:en:User:RashBold	(http://www.nsa.gov/women/women00017.cfm)

File history

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	Date/Time	Dimensions	User	Comment
current	01:19, 16 November 2016	173 × 213 (12 KB)	Quibik	Reverted to version as of 03:16, 15 November 2016 (UTC)
	01:18, 16 November 2016	277 × 341 (23 KB)	Quibik	denoise and scale up
	03:16, 15 November 2016	173 × 213 (12 KB)	Quibik	remove moire
	16:29, 13 September 2007	173 × 213 (7 KB)	BetacommandBot	Transwiki approved by: w:en:User:Dmcdevit This image was copied from wikipedia:en. The original description was: == Summary == http://www.nsa.gov/women/women00017.cfm == Licensing == {{PD-USGov-NSA}} === File history === {\| class=wikitable ! date/t