Former guest of the show, Dr. Louis Markos, has a number of videos on The Screwtape Letters:
Markos on Screwtape
David
After working as a Software Engineer in England for several years, David moved to the United States in 2008, where he settled in San Diego. Then, in 2020 he married his wife, Marie, and moved to La Crosse, Wisconsin. Together they have a son, Alexander, who is adamant that Narnia should be read publication order.