Ian talks with Mark Catchlove, Director of the Knowledge and Insight Group at Herman Miller. In this first part of an extended ‘deep dive’ conversation, they focus on Robert Propst and his seminal workplace text from 1968, ‘The office: A facility based on change’. It's a workplace geek-out with some fascinating and surprising insights that are as relevant now as they were almost 50 years ago, including a certain plastic guerrilla.