David Karraker, 91, passed away Friday, February 27, 2015. Born August 17, 1923, in Anna, Illinois, to the late Wallace and Margaret Browne Karraker. His undergraduate studies at Southern Illinois University were interrupted by service in the US Army during World War II, but he returned to complete his bachelor’s degree in chemistry. David continued his studies at the University of California at Berkeley completing his PhD in chemistry. This was also where he met and married his late wife of 62 years, Mildred. David began work at Argonne National Laboratory, continued at Oak Ridge National Laboratory, and settled into work at Savannah River National Laboratory in 1953, where he continued working for 53 years. He was internationally regarded for excellence in actinide chemistry and was awarded the Glenn T. Seaborg Award in 1999. He had an active life enjoying tennis, duplicate bridge, jazz, reading, raising camellias, and many travels overseas.