Knowns and Unknowns

Developed by Dionysios Maroulis

Introduction

This article argues about the categorization of Known and Unknowns. The framework of the Known and Unknowns table will be introduced and explained as well as The Johari window technique categorization had been used since the Greek era and in many different areas of knowledge. The frameworks that will be described in this article are powerful tools to surface what we know and do not know about a problem. One of the most recent and well known references about this topic was from Donald Henry Rumsfeld. In response to a query about weapons of mass destruction in Iraq, former US Secretary of Defense Donald Rumsfeld said these statements at a press conference in 2002. Even though he did not come up with the concept, it became his most famous line. "Known and Unknown" is the title of his book, and director Errol Morris made a documentary about him called "Unknown Known."