Noticed that RidiculousSimplicityGivesRidiculousResources.
Dr Paul MacCready is a pioneer in human-scale engineering, leading successful projects in human-powered flight. Here is a link to his bio: http://spot.colorado.edu/~gamow/george/1983bio.html (BrokenLink)
And here is the link to MacCready's company Aerovironment: http://www.aerovironment.com/