are Kenneth Clark and Carol Shields both nationals of English speaking countries ?
Kenneth Clark Kenneth Mackenzie Clark, Baron Clark, (13 July 1903 – 21 May 1983) was a British art historian, museum director, and broadcaster. After running two important art galleries in the 1930s and 1940s, he came to wider public notice on television, presenting a succession of series about the arts during the 1950s and 1960s, culminating in the series "Civilisation" in 1969.
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.