The design featured a wooden frame on top of a concrete-slab foundation, with an exterior covered in gray asbestos shingles. (Steel was in short supply.) The structure violated the Cambridge fire code, but it was granted an exemption because of its temporary status.

NEWYORKER: Groupthink

Gone is the basement level of the pyramid the heftiest slab a foundation of breads, starches and other carbohydrates.

FORBES: U.S.D.A. Topples Food Pyramid With A Very Expensive Plate