1. Letter to the editor

   • S. H. Cullinane

   Department 07 January 2009 Pages: 3 - 3

2. A tale of three equations; or the emperors have no clothes

   • Neal Koblitz

   Department 07 January 2009 Pages: 4 - 10

3. Unclad emperors: A case of mistaken identity

   • Herbert A. Simon

   Department 07 January 2009 Pages: 11 - 14

4. Reply to unclad emperors

   • Neal Koblitz

   Department 07 January 2009 Pages: 14 - 16

5. Years ago

   • Allen Shields

   Department 07 January 2009 Pages: 18 - 22

6. The case of André Bloch

   • Henri Cartan
   • Jacqueline Ferrand

   Article 07 January 2009 Pages: 23 - 26

7. Regular polyhedra with hidden symmetries

   • Jürgen Bokowski
   • Jörg M. Wills

   Article 07 January 2009 Pages: 27 - 32

8. The psychology of mathematical creativity

   • Allan Muir

   Article 07 January 2009 Pages: 33 - 37

9. José anastácio da cunha: A forgotten forerunner

   • Joäo Filipe Queirö

   Article 07 January 2009 Pages: 38 - 43

10. Mathematical entertainments

    • Steven H. Weintraub

    Department 07 January 2009 Pages: 44 - 47

11. The rubaiyat of Omar Gudniz

    • John Bowers

    Article 07 January 2009 Pages: 48 - 49

12. The mathematical tourist

    • Krzysztof Ciesielski

    Department 07 January 2009 Pages: 50 - 51

13. From pythagoras’ theorem via sums of squares to celestial mechanics

    • Olga Taussky

    Article 07 January 2009 Pages: 52 - 55

14. On the Gregorian revision of the Julian calendar

    • Jacques Dutka

    Article 07 January 2009 Pages: 56 - 64

15. Reviews

    • Chandler Davis
    • Lee Lorch
    • J. J. Seidel

    Department 07 January 2009 Pages: 65 - 71

16. Stamp corner

    • Robin Wilson

    Department 07 January 2009 Pages: 72 - 72