Mark Knobil
An image from Within These Walls: A Tour of the White House, one of the productions that also features Mark Knobil.

Mark Knobil

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Titanic: Untold Stories
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Titanic: Untold Stories

1997

NOVA: Secrets of the Viking Sword
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NOVA: Secrets of the Viking Sword

2012

Within These Walls: A Tour of the White House
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Within These Walls: A Tour of the White House

1991

New Muslim Cool
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New Muslim Cool

2009

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Undaunted: The Forgotten Giants of the Allegheny Observatory

2012

Daddy Cool
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Daddy Cool

2002

Rumor of Blue Sky
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Rumor of Blue Sky

2009

The Spirit of Pittsburgh
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The Spirit of Pittsburgh

1989