06 Aug CRDG farewell to four long-time colleagues Posted at 12:49h in News by Alycia Fujii Share CRDG farewell to four long-time colleagues, Dr. Frank Pottenger, Dr. Hannah Slovin, Dr. Melfried Olson, and Dr. Judy Olson, at their retirement luncheon on July 22, 2015 in the College of Education.