Recordings of the talks are available below or on Mathematicalia YouTube channel.
Stephen Clucas
Beyond the Praeface: John Dee’s Contributions to Billingsley’s Euclid
Vincenzo De Risi
The Provability of Axioms: Genesis and Downfall of a Scholastic Theory
André Goddu
Copernican Mereology and the Linear Ratios of the Planetary Spheres