"...I do not say any form which you construct this way is a good form, or must lead to a good solution; but there are …"

"[Architects and engineers] must be willing to subordinate themselves to the emerging logic of the shell’s form as it …"

"[T]heoretical considerations and derivations … are always based on severe simplifications of the assumptions."

"Heinz Isler’s innovative methods for determining the shape of reinforced concrete shells first became widely known th…"

"The majority of Isler's shells are specifically designed to remain in compression under all load conditions, but in t…"

"Heinz Isler's involvement in the development of the design for the "Steinkirche" ... could not be more different from…"

"Heinz Isler strongly believes that the work of the architect and the engineer cannot be separated in shell design bec…"

"Isler’s form-finding method of the reversed hanging cloth was discovered serendipitously in the summer of 1955. On a …"

"Isler’s methods were completely based on physical modeling and experiments. In fact, he rarely used general mathemati…"

"is a reinforced concrete shell with the shell thickness varying from 9 cm to 12 cm [3.5 to 4.7 in.]... Since the stru…"