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.
John Frank Clark John F. Clark is a professor and former Fulbright scholar who specializes in Central African Socio-Political and Economic Dynamics. He has conducted research in Congo-Brazzaville, the Democratic Republic of Congo and other Central African states, and has been recognized as one of the world's leading researchers and experts on Central Africa. Clark's signature scholastic style is indicative of the time he spent in Central and Sub-Saharan Africa. He was chair of the Department of International Relations at Florida International University from 2002–2007, and has lectured in Kampala, Uganda at Makerere University.