September 26, 2017
12:00PM ET

- Jon Bloom (MIT)
- Jerry Orloff (MIT)
March 5, 2019
12:00PM ET

January 19, 2021
12:00PM ET

January 24, 2023
12:00PM ET

- Tim Chartier (Davidson College & The Museum of Mathematics)
March 5, 2024
12:00PM ET

- Niek de Kleijn (TU Delft)