Joint AMS-MAA Invited Addresses were given by **Svetlana Y. Jitmirskaya** and **László Lovász**. AMS Invited Addresses were given by **Herbert Edelsbrunner**, **David Eisenbud**, **Charles L. Fefferman**, **Mikhail Kapranov**, **Hendrik W. Lenstra Jr.**, **Dusa McDuff** and **Michael Savageau**. MAA Invited Addresses were given by **Marc Chamberland**, **Keith J. Devlin**, **Naomi Fischer**, **Ben Green**, **Robert L. Megginson** and**Francis E. Su**. See the 2006 Joint Mathematics Meetings Program for more information on the Invited Addresses and all the sessions.

AMS president James Arthur introduces AMS Colloquium speaker Henrik Lenstra | Hendrik Lenstra, AMS Colloquium Lecturer |

Audience at Lenstra's AMS Colloquium Lecture | Hendrik Lenstra, AMS Colloquium Lecturer |

David Eisenbud gives AMS Retiring Presidential Address | David Eisenbud and current AMS president James Arthur |

László Lovász gives AMS-MAA Invited Address | László Lovász |

Dusa McDuff, AMS Invited Address | Dusa McDuff, AMS Invited Address |

**Other sessions and workshops**:

See the booklet of the *Bulletin of the AMS Current Events in Mathematics* session organized by **David Eisenbud**, Director, Mathematical Sciences Research Institute.