Here's a link to a Jack Kirby talk from 1970. Kirby's talk is about half way down the page.
"Kirby sounds like a forceful visionary let loose on a crowd, practically preaching." (Dan Nadel).
Link via Comics Comics.
Below is a page of Kirby pencils from True Divorce Cases issue 1, from 1970 (and published in the Jack Kirby Collector vol.6, no. 23, 1999).