https://www.metv.com/stories/milburn-stone-based-doc-adams-on-his-grandfather

"He was my Doc," Stone said of his relative.

Gunsmoke star James Arness praised this producer for his work on the series (https://www.metv.com/stories/gunsmoke-star-james-arness-praised-this-producer-for-his-work-on-the-series)

"Most of the time, John takes care of everything."