1. Chris Christensen Department of Mathematics and Statistics Northern Kentucky University

7. Jerzy Rozycki 1909 - 1942 Henryk Zygalski 1908 - 1978 Marian Rejewski 1905 - 1980

9. abcdefghijklmnopqrstuvwxyz OHELCPYBSURDZTAFXKINJWVQGM (ao)(bh)(ce)(dl)(fp)(gy)(is)(ju)(kr)(mz)(nt)(qx)(vw)

12. 6 ways to order the rotors. 17,576 ways to set the rings against the rotor cores. 105,456

14. 6 ways to order the rotors. 17,576 ways to set the rings against the rotor cores. 100,391,791,500 ways to set the plugboard. 10,586,916,764,424,000

22. RTJ WAH WIK First Enigma pair Ciphers 1 and 4 Z and Z + 3

23. RTJ WAH WIK DQY DWJ MWR First Enigma pair Ciphers 1 and 4 Z and Z + 3 Second Enigma pair Ciphers 2 and 5 (Z + 15)+1 and (Z + 15)+1+3

24. RTJ WAH WIK DQY DWJ MWR HPB RAW KTW First Enigma pair Ciphers 1 and 4 Z and Z + 3 Second Enigma pair Ciphers 2 and 5 (Z + 15)+1 and (Z + 15)+1+3 Third Enigma pair. Ciphers 3 and 6 (Z + 18)+2 and (Z + 18)+2+3

25. RTJ WAH WIK DQY DWJ MWR HPB RAW KTW Middle rotor offsets Z Z + 23 (Z + 23) + 25 Left (slow) rotor offsets Z Z + 12 (Z+ 12)+4

29. Alan Turing 1912 - 1954 Gordon Welchman 1906 - 1985

32. http://www.codesandciphers.org.uk/ Harold “Doc” Keen 1907 - 1987

38. Joe Desch 1907 - 1987

40. Dziękuję