Welcome to Episode 86 of Light On Light Through, in which I share a recently recovered voicemail from Marshall McLuhan, from August 1978, about my doctoral dissertation, "Human Replay: A Theory of the Evolution of Media," which I had mailed up to him in Canada, a few weeks earlier, before I left with my wife Tina on our summer vacation ...

Helpful links (updated 2025)

• my most recent book about McLuhan (2015/2024): McLuhan in Age of Social Media
• speeches about McLuhan into audiobooks: 2014 Keynote Address Baylor University ... 2011 Keynote Address St. Francis College ... 2017 Lecture at Fordham University
• Human Replay: A Theory of the Evolution of Media (1978/2017)
• 57 videos of me talking about McLuhan