September 10, 2019
12:00PM ET
April 28, 2020
12:00PM ET
- Rachel Levy (North Carolina State University)
January 24, 2023
12:00PM ET
- Tim Chartier (Davidson College & The Museum of Mathematics)
September 12, 2023
12:00PM ET
- Judy Holdener (Kenyon College)
November 21, 2023
12:00PM ET
- Paul Hand (Northeastern University )