How old was Mark Knobil in…

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Mark Knobil was ? in NOVA: Secrets of the Viking Sword as 'Director of Photography, Camera Operator'.

Movie Released: Wed, Oct 10 2012

Mark Knobil was ? in Undaunted: The Forgotten Giants of the Allegheny Observatory as 'Director of Photography'.

Movie Released: Wed, Apr 18 2012

Mark Knobil was ? in New Muslim Cool as 'Director of Photography'.

Movie Released: Wed, Oct 14 2009

Mark Knobil was ? in Rumor of Blue Sky as 'Director of Photography'.

Movie Released: Thu, Apr 23 2009

Mark Knobil was ? in Daddy Cool as 'Director of Photography'.

Movie Released: Fri, Nov 08 2002

Mark Knobil was ? in Titanic: Untold Stories as 'Director of Photography'.

Movie Released: Wed, Jan 01 1997

Mark Knobil was ? in National Geographic: Splendid Stones as 'Cinematography'.

Movie Released: Wed, Mar 13 1991

Mark Knobil was ? in Within These Walls: A Tour of the White House as 'Director of Photography'.

Movie Released: Tue, Jan 01 1991

Mark Knobil was ? in The Spirit of Pittsburgh as 'Cinematography'.

Movie Released: Sun, Jan 01 1989

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Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages