David Black is a author of many works on LSD and its history and in this episode he talks about the culture of the 60s and 70s with such names like Timothy Leary a prominent figure in the LSD culture. David goes more in depth and understanding of the culture that relates to his book "LSD UNDERGROUND: Operation Julie, the Microdot Gang and the Brotherhood of Eternal Love" about a expatriate American Beat writer and two Liverpool chemistry students launched a conspiracy to illegally manufacture LSD. It grew into a global industry, supplying the festival-going youth of the 1970s with tens of millions of trips.