are Kenneth Clark and Carol Shields both nationals of English speaking countries ?
Carol Shields Carol Ann Shields, {'1': ", '2': ", '3': ", '4': "} (née Warner; June 2, 1935 – July 16, 2003) was an American-born Canadian novelist and short story writer. She is best known for her 1993 novel "The Stone Diaries", which won the U.S. Pulitzer Prize for Fiction as well as the Governor General's Award in Canada.
Keith Clark Keith Leonard Clark (born 1943) is a Professor of Computer Science at Imperial College London, England. He has lectured in both mathematics and computer science.