Robert Dallek
Robert A. Dallek (born May 16, 1934) is an American historian specializing in the presidents of the United States, including Franklin D. Roosevelt, John F. Kennedy, Lyndon B. Johnson, and Richard Nixon. In 2004, he retired as a history professor at Boston University after previously having taught at Columbia University, the University of California, Los Angeles (UCLA), and Oxford University. He was awarded the Bancroft Prize for his 1979 book Franklin D. Roosevelt and American Foreign Policy, 1932–1945, as well as other awards for scholarship and teaching. Description above from the Wikipedia article Robert Dallek, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Filmography

Corey Feldman: Moment of Truth
Corey Feldman: Moment of Truth

JFK: The Private President
as Self
JFK: The Private President
as Self

Peter Jennings Reporting: The Kennedy Assassination - Beyond Conspiracy
as Self
Peter Jennings Reporting: The Kennedy Assassination - Beyond Conspiracy
as Self

Reagan
as Self
Reagan
as Self

FDR
as Self — Historian
FDR
as Self — Historian