I saw a really good video documentary about this but forgot how to find it. The Wikipedia is fascinating enough in itself: https://en.wikipedia.org/wiki/Willia

I saw a really good video documentary about this but forgot how to find it. The Wikipedia is fascinating enough in itself: https://en.wikipedia.org/wiki/William_Leonard_Pickard https://en.wikipedia.org/wiki/William_Leonard_Pickard Edit: My mistake, it was about another duo who also made LSD. I'm pretty sure the silo is mentioned in passing. The Sunshine Makers Official Trailer 1 (2017) - Documentary https://www.youtube.com/watch?v=hsvElED0-O0 https://www.youtube.com/watch?v=hsvElED0-O0