2011 - 2012
- Ray Jayawardhana
- "Rocks, Ice and Penguins: Searching for Clues to Planetary Origins in Antarctica" (2012-06-12)
- Dr. Neil Turok
- "From zero to infinity, and beyond!" (2010-05-09)
- Dr. Laura Landweber
- "Epigenetics: Rewriting the information in DNA" (2010-02-27)