Alonzo L. Hamby (born 30 January 1940) is an American historian and academic. He is distinguished professor of history emeritus at Ohio University and the recipient of two National Endowment for the Humanities Fellowships, a Harry S. Truman Library Institute Senior Fellowship, a Woodrow Wilson International Center for Scholars Fellowship, and the Ohio Academy of History Distinguished Service Award.
He is an expert on Harry S. Truman and his presidency.
He was born on 30 January 1940. He was born and raised in Missouri.
He completed his PhD from the University of Missouri.
He is distinguished professor of history emeritus at Ohio University.
He is also a distinguished member of the American Historical Association.
His books include: