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Recruiting and Training Mathematicians as Codebreakers

Recruiting and Training Mathematicians as Codebreakers. Chris Christensen Northern Kentucky University. World War I. The Polish Cipher Bureau. The Government Code & Cypher School. The Search for “Cipher Brains”. Recruitment. Recruitment.

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Recruiting and Training Mathematicians as Codebreakers

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  1. Recruiting and Training Mathematicians as Codebreakers Chris Christensen Northern Kentucky University

  2. World War I

  3. The Polish Cipher Bureau

  4. The Government Code & Cypher School

  5. The Search for “Cipher Brains”

  6. Recruitment

  7. Recruitment I was teaching at the University of Minnesota; teaching mathematics. I tried to devise a crypt system … So I wrote to the Navy … Well, they didn’t need any more crypt systems, but they did need someone who had some ability as a analyst, and would I be interested in taking their crypt course? Howard Campaigne

  8. Recruitment J. J. Eachus was a mathematics PhD from the University of Illinois. At the time of Pearl Harbor he was teaching at Purdue University-Indianapolis and as sort of a hobby he took a Navy correspondence course in cryptanalysis.

  9. Recruitment [Bill Wray and I] took a Navy course in cryptanalysis which had no connection with the college [Williams college]. I had to drop it because of heavy administrative duties but Bill completed it apparently very successfully. … I assume that the Navy was interested in recruiting mathematicians. There was no regular text – merely mimeographed material on methods of coding and decoding messages – substitution, transposition, etc., with exercises on each lesson. I would say there were about 12 lessons. Donald E. Richmond April 6, 1982

  10. The Correspondence Course

  11. Assignment 3Numerical Cipher Alphabets

  12. Assignment 3, Problem 2

  13. Justice John Paul Stevens

  14. Mathematicians • Alfred Clifford (Top, 1) • Marshall Hall, Jr. (Middle, 2) • Andrew Gleason (Middle, 5)

  15. National Security Agency

  16. Cipher Brain?http://www.nku.edu/~christensen/

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