Gregory H. Diederich Age 84 passed away on Saturday, December 14, 2013 in the city of Norco, California. He was born in Lindsay, Nebraska. Gregory worked as an electrical engineer for the federal government for over 30 years. He is survived by his son Greg (Kathy), daughter Michelle (Mike) Grand Daughter Jordan, and Grandson Garrett. He will be deeply missed. There will be a funeral mass 11am Saturday 12/21/2013 at St. Mel Catholic Church in Norco California, with a graveside service 10:30 am on 12/24/2013 at Riverside National Cemetery in Riverside California.