North Central College welcomes Doug Sisterson, research meteorologist at Argonne National Laboratory, for a keynote address at the Colleg's annual Rall Symposium for Undergraduate Research. Free and open to the public, his one-hour talk begins at 8:30 a.m. in Wentz Concert Hall at the Fine Arts Center, 171 E. Chicago Ave. Sisterson is the Instrument Operations Manager for the U.S. Department of Energy Office of Science's Atmospheric Radiation Measurement Climate Research Facility.