Grumpy Old Geeks Media Proof of Heaven Media Proof of Heaven 2 mentions in 1 episode Proof of Heaven is a book by Dr. Eben Alexander about his reported near-death experience. Mentions 714: Crossfade This Sep 19, 2025 48:46 Proof of Heaven, A Neurosurgeon's Journey into the Afterlife by Dr. Eben Alexander 49:19 he was in a coma for a week