Aaron and Clara discuss Tolkien's creative process and how his love of philology coupled with his war experience set the stage for him to write his major works. Plus, Aaron makes a sexy joke and Clara goes on a nerd rant about William Blake.
Sources:
Humphrey Carpenter J. R. R. Tolkien: A Biography (1977)
John Garth Tolkien and the Great War: The Threshold of Middle-Earth (2003)
Charles E. Noad "Frodo and his Spectre: Blakean Resonances in Tolkien" (1996)