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America's leading authority on van Gogh.
Thereafter he became the centre-right's leading authority on tax.
Emerson's argument was countered by Elliott Joslin, a leading authority on diabetes, and Joslin won out.
Dr. Juarez Avelar, a plastic surgeon, is Brazil's leading authority on reconstructing the human ear.
This is what Sir Ken Robinson, a leading authority on education reform, calls the "industrial model" of education.
Mr. Hasan, the director-general of the National Archives of India, is the country's leading authority on colonial-era cartoons.
In addition, a leading authority on urban policing, William J. Bratton, toured Oakland last week as the department's new consultant.
Interview with Salvatore Gianola, Director of Research Development at the Depot, and the Navy's leading authority on cold-weather clothing.
The leading authority on jihadism in French prisons is an Iranian sociologist in Paris named Farhad Khosrokhavar.
