Extended interview with Minnesota Historical Society, 1968 exhibit curator, Brian Horrigan.

Special Thanks:
Jay Erickson
Jessica Kohen
Minnesota Historical Society
Minnesota Historical Society Volunteers
Val Wuthrich
Jon Hovde
Lee Adams
Darryl LeMire
Fred Borchardt
Prelinger Archives
Universal Studios
NASA

Photos Courtesy of: Val Wuthrich, Jon Hovde, Darryl LeMire, Fred Borchardt