This book is the first biography of the life and career of Lawrence Cremin (1925-1990), a Pulitzer and Bancroft Prize-winning historian of American education. The study examines Cremin&s contributions to modern educational research and reform in the broader context of mid-20th century liberalism and modernity, offering readers an analysis of how social science, technology, and government policies shaped educational equality. It provides a rich historical perspective on educational reform that remains relevant today. Through Cremin&s tenure as president of Teachers College, Columbia University, and the Spencer Foundation, this biography offers an insider&s perspective on the development of American higher education, detailing how Cremin balanced his scholarship, teaching, and administrative leadership.