Charles McLean Andrews, called the dean of America's colonial historians during his lifetime, was an author, teacher and active member of the organized historical profession. His articles and books, marked by detailed analysis of institutional structures, primary source research, and a sense of the American colonies as only one part of the British colonial empire, set new directions and standards. His guides to the British manuscript repositories remain invaluable research tools for colonial history. Andrews believed that history was a science and that facts were its raw materials. With Herbert Levi Osgood and George L. Beer he "founded" the "imperial school" of American colonial history. In his teaching career Andrews directed graduate studies first at Johns Hopkins University and then for twenty years at Yale. His students, including Leonard W. Labaree and Lawrence Henry Gipson, made invaluable contributions to colonial scholarship. As a working member of the American...