William E. Leuchtenburg, a leading scholar of Franklin Roosevelt and the Great Depression, has died at age 102.

One was a filmmaker, the other a scholarly adviser (who sometimes appeared on camera), and the two became close friends, working together for more than 40 years.

NEW YORK — William E. Leuchtenburg, a prize-winning historian widely admired for his authoritative writings on the U.S. presidency and as the reigning scholar on Franklin Roosevelt and the New Deal, has died at 102.

Documentarian and New Hampshire resident Ken Burns is almost ready to release his new series, a six-part, 12 hour show on the American Revolution. It will air for six consecutive nights and will explore "the country’s founding and its eight-year war for independence," according to PBS broadcasting.

Renowned filmmaker Ken Burns will preview his new docuseries “The American Revolution“ at Altria Theater on Sunday, March 23.

One was a filmmaker, the other a scholarly adviser (who sometimes appeared on camera). The two became close friends, working together for more than 40 years.