Jeremy Sherman PhD has been on many of the rides in life's amusement park.He was an engineer getting water to poor Guatemalan villages and was also an elected elder in the world’s largest hippy commune. He is now a cradle-to-grave researcher, collaborating with a Berkeley neuroscientist on everything from the chemical origins of life to the nature of assholes and cults today. Sherman is the author of a Columbia University Press book about life's origins but also 1000 articles for Psychology Today.