Rowland Tappan Berthoff (September 20, 1921 – March 25, 2001) was an American historian, working in the fields of immigration and social life in the USA.
[1][2] He is best known for his 1971 book An Unsettled People: Order and Disorder in American Life.
He was born in Toledo, Ohio, attended Oberlin College, and did graduate work at Harvard University where he received a doctorate in 1952, as a student of Oscar Handlin.
Berthoff was an Assistant Professor of History at Princeton University from 1953, and then a professor of history at Washington University in St. Louis, from 1962.
He was made chairman of Washington University's history department and named William Elliott Smith Professor of History in 1971.