A tribute to Clayton Christensen, the Harvard professor who introduced "disruption" in his 1997 book The Innovator's Dilemma , which, in turn, led The Economist to term him "the most influential management thinker of his time." Even more influential for some would be his 2012 co-authored book How Will You Measure Your Life? . [try here ]. Christensen passed away in Boston on Jan 23, 2020.