Princeton psychology professor Michael Graziano ’89 *96 will deliver the opening talk in the Princeton Plasma Physics Laboratory’s Ronald E. Hatcher Science on Saturday Lecture Series Jan. 10 at 9:30 a.m. Graziano will focus on “Consciousness and the Social Brain,” a topic covered in PAW’s April 23, 2014, profile of the alumnus and professor. Future speakers in this year’s series include Professor Emily Carter, director of Princeton’s Andlinger Center for Energy and the Environment, and Professor Paul Steinhardt, director of the Princeton Center for Theoretical Science. For more information, visit pppl.gov/education. The Science on Saturday program was renamed this year to honor Hatcher, its beloved longtime host, who died in March.