| # | Date | Speaker | Subject | Place* |
| 44 | 1/21/09 | David Groce, Giancarlo Borgonovi, Bill Scott | Two Topics: 1) High-Tech Art (DG), and 2) Atomic Models and the Old Quantum Theory (GB, BS) | FSC |
| 45 | 2/25/09 | Gary Phillips | Analysis of Obama’s Economic Plan | FSC |
| 46 | 4/15/09 | Larry Kull | Cosmic Microwave Background | FSC |
| 47 | 5/20/09 | Prof. Yanbei Chen | Quantum Mechanics of Macroscopic Objects | FSC |
| 48 | 6/17/09 | Craig Smith | Nuclear Energy and the Lead-Cooled Reactor | FSC |
| 49 | 9/9/09 | John Asmus | Paul Gauguin’s Five Parisian Ladies | FSC |
| 50 | 9/30/09 | Howard Maccabee | Update on Climate Change and Health | FSC |
| 51 | 11/18/09 | Gary Carriveau, Richard Lukens | Two Topics: 1) Asian Laquerware (GC), and 2) Exoplanets: An Update and Derivative Thoughts (RL) | FSC |
