Of Kensington, MD, died Monday, March 28, 2016. Darla was born on June 22, 1953 in Harrisburg PA, daughter of the late Arthur R. Wiest and Shirley Stiely Wiest, and was the wife of the late Steven A. Cooper of Marlow England. Surviving are two brothers, Douglas A. Wiest of Madison Wisconsin and Roger C. Wiest of Springfield VA, and many longtime friends around the world. Darla lived a career in academia; after graduating Penn State University she worked for Boston College in Boston and headed their international programs department in London for many years before returning to the states at the Law Registrar of American University. She was a sophisticated, cosmopolitan lady of the world who spent many years living in England and was at home in two continents. She loved cooking, cats, current and international affairs, music, fine things and European culture. A memorial service will be held at Collins Funeral Home, 500 University Boulevard West, Silver Spring, MD on Monday, April 11 at 1 p.m. Interment private.