Professor Griff, an inductee of the Rock and Roll Hall of Fame and co-founding member of the hip-hop group Public Enemy, will speak at Truman as part of the Kohlenberg Lyceum Series. This event, taking place at 7 p.m. Feb. 1 in the Student Union Building Georgian Room, is in partnership with the Black History 101 Mobile Museum. Tickets are not required for this event. Doors open at 6:30 p.m. and attendees are encouraged to view the artifacts on display after the lecture.