Detlef Siebert

Sealed

2016 ?.? ?.?

The Man Who Discovered Capitalism Director

Sealed

2014 ?.? ?.?

I Was There: The Great War Interviews Director

Sealed

2006 ?.? ?.?

The Somme: From Defeat to Victory Director

Die Höllenschlacht - Somme 1916

Sealed

2010 ?.? ?.?

Die Höllenschlacht - Somme 1916 Director

Sealed

2016 ?.? ?.?

The Man Who Discovered Capitalism Writer

Sealed

2006 ?.? ?.?

The Somme: From Defeat to Victory Writer

Sealed

2009 ?.? ?.?

How the Celts Saved Britain Executive Producer

Sealed

2006 ?.? ?.?

The Somme: From Defeat to Victory Producer