1. Editorial

   • John Ewing

   Department 16 January 2009 Pages: 5 - 6

2. A short Euler bibliography

   Department 16 January 2009 Pages: 7 - 7

3. Letter to the editor

   Department 16 January 2009 Pages: 8 - 8

4. Announcements

   • John Ewing

   Department 16 January 2009 Pages: 8 - 8

5. 50 & 100 years ago

   • Jeremy Gray

   Department 16 January 2009 Pages: 9 - 10

6. The 9-vertex complex projective plane

   • Wolfgang Kühnel
   • Thomas F. Banchoff

   Article 16 January 2009 Pages: 11 - 22

7. K. O. Friedrichs 1901-1982

   • Constance Reid

   Article 16 January 2009 Pages: 23 - 30

8. Where is the next mersenne prime hiding?

   • Manfred R. Schroeder

   Article 16 January 2009 Pages: 31 - 33

9. Sphere packing

   • François Sigrist

   Article 16 January 2009 Pages: 34 - 38

10. Instantons and the topology of 4-manifolds

    • Ronald J. Stern

    Article 16 January 2009 Pages: 39 - 44

11. Problem corner

    • Murray S. Klamkin

    Department 16 January 2009 Pages: 45 - 46

12. Unfashionable pursuits

    • Freeman J. Dyson

    Article 16 January 2009 Pages: 47 - 54

13. Intelligencer contest

    Article 16 January 2009 Pages: 55 - 55

14. Problems

    Article 16 January 2009 Pages: 56 - 58

15. A proof that euler missed: evaluating ζ(2) the easy way

    • Tom M. Apostol

    Article 16 January 2009 Pages: 59 - 60

16. Reflections on bishop’s philosophy of mathematics

    • Nicolas D. Goodman

    Article 16 January 2009 Pages: 61 - 68

17. Book reviews

    • Gary Cornell
    • Ian Stewart

    Department 16 January 2009 Pages: 69 - 72

18. Books received

    Announcement 16 January 2009 Pages: 73 - 74

19. From elements of algebra

    • Leonhard Euler

    Old Intelligencer 16 January 2009 Pages: 75 - 76

20. Studying under pólya and szegö at stanford

    • P. C. Rosenbloom

    Old Intelligencer 16 January 2009 Pages: 76 - 77

21. Genius and practice

    • Loo-Keng Hua

    Old Intelligencer 16 January 2009 Pages: 78 - 78

22. The strange case of Mr. Jean D.

    • João Filipe Queiró

    Old Intelligencer 16 January 2009 Pages: 78 - 80

23. Erratum to: A simple function ...

    • Manfred R. Schroeder

    Erratum 16 January 2009 Pages: 80 - 80