Delve into the intricate relationship between holography and quantum gravity in this advanced lecture, part of a series exploring cutting-edge concepts in theoretical physics. Examine the fundamental principles and latest developments in the field as presented by Roberto Emparan, a renowned expert in the subject. Over the course of nearly two hours, gain deep insights into the complex interplay between these two groundbreaking areas of study, and explore their implications for our understanding of the universe at its most fundamental level.