How Stuff Works

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Gabe Doran

Narrator

Gabe Doran

Self - Narrator

Michael Pollan

Self - Author, 'The Omnivore's Dilemma'

Sam Calagione

Self - Dogfish Head Craft Brewery

Patrick McGovern

Self - Sr. Research Scientist, University of Pennsylvania

Ken Grossman

Self - Sierra Nevada Brewery

Mike Senese

Self

Jimmie Oxley

Self - Professor of Chemistry, University of Rhode Island

Jane Schulenburg

Self - CP Kelco

Gerami Hanks

Self - Crown Drilling

Doug Ausenbaugh

Self - President, Controlled Pharming Ventures

Andy Tveekrem

Self - Dogfish Head Craft Brewery

Mike Senese

Self - Science journalist

David Heber

Self - Director of Center for Human Nutrition, UCLA

David Frett

Self - River Valley Co-Op

Jon Hulvey

Self - University of Tennessee

Powell Smith

Self - Clemson University

David Weiskiercher

Self - River Valley Co-Op

Fredric Scheer

Self - Founder, Cereplast

Neal Stewart

Self - University of Tennessee

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