Gail Willumsen

Writer (Feature Film)

Balboa (1982)

Screenplay

Director (Special)

Horses (1999)

Director

Writer (Special)

Mummies: Voices of the Dead (2000)

Writer

Horses (1999)

Writer

Volcano! (1997)

Writer

Cyclone! (1995)

Writer

30 Years of National Geographic Specials (1995)

Writer

Island of the Giant Bears (1994)

Writer

The Dawn of Humankind (1992)

Writer

The Living Clock (1990)

Writer

Geometry of Life (1988)

Writer

Producer (Special)

Mummies: Voices of the Dead (2000)

Producer

Horses (1999)

Producer

Volcano! (1997)

Producer

30 Years of National Geographic Specials (1995)

Producer

Island of the Giant Bears (1994)

Coproducer

The Dawn of Humankind (1992)

Producer

The Living Clock (1990)

Producer

Living With Disaster (1989)

Producer

Geometry of Life (1988)

Producer

Special Thanks (Special)

Mummies: Voices of the Dead (2000)

Writer

Horses (1999)

Writer

Volcano! (1997)

Writer

Cyclone! (1995)

Writer

30 Years of National Geographic Specials (1995)

Writer

Island of the Giant Bears (1994)

Writer

The Dawn of Humankind (1992)

Writer

The Living Clock (1990)

Writer

Geometry of Life (1988)

Writer