Edmund Morris (born May 27, 1940) is an American writer best known for his biographies of United States Presidents Theodore Roosevelt and Ronald Reagan.\r \r American Experience - TR, The Story of Theodore Roosevelt - Part 2/4 (PBS Documentary) American Experience - TR, The Story of Theodore Roosevelt - Part .\r \r Edmund Morris (born May 27, 1940) is an American writer best known for his biographies of United States Presidents Theodore Roosevelt and Ronald Reagan.