The Leakey Foundation's "Speaker Series on Human Origins" brings world-class speakers to give fascinating public lectures at museums and other institutions around the United States. The fall 2019 series will feature the latest discoveries and developments in paleoanthropology and human evolution research, including current research on Denisovans and Neanderthals, the importance of children and grandmothers in understanding human origins, and a celebration of the 45th anniversary of the discovery of "Lucy."