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Michael Richard Beschloss (born November 30, 1955) is an American historian specializing in the United States presidency. He is the author of nine books on the presidency.
Jon Ellis Meacham is an American writer, reviewer, historian and presidential biographer
David Gaub McCullough is an American author, narrator, popular historian, and lecturer. He is a two-time winner of the Pulitzer Prize and the National Book Award and a recipient of the Presidential Medal of Freedom, the United States' highest civilian award.