David Hackenberg
Reparto
David Hackenberg es conocido por American Colonies: Collapse of the Bee (2009), Vanishing of the Bees (2009) y Pollen Nation (2007).
Reparto
- 2010Nicotine BeesSelf
- 2009Who Killed the Honey Bee?Self - Beekeeper
- 2009Vanishing of the BeesSelf - Beekeeper, Lewisberg, Pennsylvania
- 2009American Colonies: Collapse of the BeeMigratory Beekeeper
- 196860 MinutesSelf - Beekeeper (segment: What's Wrong with the Bees?)