Apostolos on the relationship between ancient rhetoric and ancient mathematics, and their practitioners.  From a Thales and Friends lecture series in Thessaloniki, 2009. In three parts.

Part 1 of 3

https://youtu.be/l8dBryu2nv4

Part 2 of 3

https://youtu.be/VKVaWRU_CVI

Part 3 of 3

https://youtu.be/rLYcQkqwOrE