Renaissance texts "unread and unstudied"

In a podcast for the Classics and Ancient History website, Peter Mack and Maude Vanhalen discuss Renaissance thought and the fact that much of its works, most written in Latin, have been "largely unread and unstudied." (MP3)

From the website:

But what were the intellectual and political forces which made this age of rediscovery and progress possible? Who were the scholars who brought Greek thought to Italy and the rest of Western Europe? And how did Platonic philosophy pave the way for numerology, demonology, and mysticism?