Upvote:0
Not specifically after but during WWII, Christian author and Oxford Fellow CS Lewisβ book Mere Christianity grew out out of a series of talks given during the war.
https://reasonabletheology.org/original-cs-lewis-mere-christianity-broadcast/
Upvote:2
Yes, the BBC still has "BBC Radio 4 Sunday Worship" and has broadcast other religious programs, especially but not always on Christmas. From 1938 the BBC broadcast Elder Lightfoot Solomon Michaux's "Radio Church of God" in some markets. Per Wikipedia:
There have also been religious programmes, of mostly Anglican celebration and often from the Church of St. Martin in the Fields,
I couldn't identify the Sunday show being mentioned in the quote, but clearly it had company.