Stephan Thernstrom is the Winthrop Research Professor of History at Harvard University where he teaches American social history. He was born in Port Huron, Michigan and educated in the public schools of Port Huron and Battle Creek. He graduated with highest honors from Northwestern University in 1956, and was awarded the Ph.D. by Harvard in 1962. He held appointments as assistant professor at Harvard, associate professor at Brandeis University, and professor at UCLA before returning to Harvard as a professor in 1973. In 1978-1979 he was the Pitt Professor of American History and Institutions at Cambridge University and Professorial Fellow at Trinity College.