Kathryn Elizabeth Kenerick Cook, 70, of Bethesda, MD passed away Monday, April 8, 2013 after battling a lengthy illness and the loss of her oldest son, Frank, in August 2009. She was the beloved wife of 50 years to retired Naval CMDR Frank Cummings Cook; loving mother of Kenneth R. Cook and Elizabeth C. Roth and her husband Scott; grandmother of Kenneth E. Cook, Bryan C. Cook, Steven P. Cook, Colby Roth and Thomas S. Roth.