Leonard Williams Levy was the Andrew W. Mellon All-Claremont Professor of Humanities and Chairman of the Graduate Faculty of History at Claremont Graduate School, California. He was educated at Columbia University, where his mentor for the Ph.D. degree was Henry Steele Commager. Levy's most honored book was his 1968 study Origins of the Fifth Amendment, focusing on the history of the privilege against self-incrimination. This book was awarded the 1969 Pulitzer Prize for History. He wrote almost forty other books. In 1990, Levy was appointed a Distinguished Scholar in Residence; Adjunct Professor of History and Political Science at Southern Oregon State College in Ashland, Oregon.