1. Letters to the editor

   • Elemer E. Rosinger
   • Avinoam Mann
   • José Mendoza

   Department 12 January 2009 Pages: 3 - 6

2. “unsolved problems in mathematics” J. von Neumann’s address to the international congress of mathematicians, amsterdam, september 2-9, 1954

   • Miklós Rédei

   Article 12 January 2009 Pages: 7 - 12

3. The mathematical tourist

   • Cathy Kessel
   • Daniele C. Struppa
   • Ned Glick

   Department 12 January 2009 Pages: 13 - 17

4. The shift equivalence problem

   • K. H. Kim
   • F. W. Roush
   • J. B. Wagoner

   Article 12 January 2009 Pages: 18 - 29

5. Invisible handshake

   • Helaman Ferguson
   • Claire Ferguson
   • Stan Wagon

   Article 12 January 2009 Pages: 30 - 35

6. Mathematical entertainments

   Department 12 January 2009 Pages: 36 - 37

7. The Great Epsilon Shortage

   OriginalPaper 12 January 2009 Pages: 37 - 37

8. Mathematics after forty years of the space age

   • Solomon W. Golomb

   Article 12 January 2009 Pages: 38 - 44

9. Mathematical communities

   • Queena N. Lee-Chua

   Department 12 January 2009 Pages: 45 - 53

10. Years ago

    • Delia D. Fenster

    Department 12 January 2009 Pages: 54 - 59

11. Reviews

    • John R. Graef

    Department 12 January 2009 Pages: 60 - 61

12. Stamp corner

    Department 12 January 2009 Pages: 62 - 62