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  1. Genevieve Marie Grotjan Feinstein (April 30, 1913 – August 10, 2006) was an American mathematician and cryptanalyst. She worked for the Signals Intelligence Service throughout World War II, during which time she played an important role in deciphering the Japanese cryptography machine Purple, and later worked on the Cold War-era ...

  2. Genevieve Marie Grotjan Feinstein ( Buffalo, 30 de abril de 1913 — Fairfax, 10 de agosto de 2006) foi uma matemática e criptógrafa estado-unidense.

  3. Genevieve Grotjan Feinstein was a skilled cryptanalyst whose discovery in September 1940 changed the course of history. Her successful breakthrough enabled the Army Signal Intelligence Service (SIS) to build an analog machine that solved the Japanese diplomatic system known as "Purple."

  4. That same year, Grotjan, by now Genevieve Grotjan Feinstein, received the Exceptional Civilian Service Award from Brig. Gen. Paul Everton Peabody for her wartime service.

  5. This lesson shares the background of three of these women: Genevieve Grotjan Feinstein, Ada Stemple Nestor, and Ann Caracristi, who all were recruited and served for SIS at Arlington Hall Station. Each profile shares detailed accompanying source readings describing their time in service.

  6. 6 de jun. de 2019 · Genevieve Grotjan Feinstein's cryptologic service spanned only eight years. Why was this early cryptomathematician awarded NSA's highest recognition, membership in the Cryptologic Hall of Honor?

  7. 29 de mar. de 2018 · While thousands of women entered the cryptology profession during World War II, there were other pioneering female cryptologists who set the groundwork for the success of the WACs and WAVES. Two great pre-World War II women cryptologists were Agnes Meyer Driscoll and Genevieve Grotjan Feinstein.