Bert Coursey is currently a guest researcher in the Standards Service Group at NIST. He received a Ph.D. in physical chemistry from the University of Georgia and came to the NIST Radioactivity Group in 1972. He has spent 45 years at NIST—with nine of these on detail to the Dept. of Homeland Security. He pursues outside interests including jogging, kayaking and beach walking with family in the South Carolina Lowcountry.