[Architects and engineers] must be willing to subordinate themselves to the emerging logic of the shell’s form as it evolves through experimentation.

“New Shapes for Shells.” (1960) Bulletin of the International Association for Shell Structures, no.8, Paper C-3, taken from Tessa Maurer, Elizabeth O'Grady, Ellen Tung, "Inverse Hanging Membrane: Naturtheater Grötzingen" ( 2013) Evolution of German Shells Forms: Efficiency of Form, Princeton University Dept. Civil and Environmental Engineering.