Architecture: Leaping Time & Space

The challenge was to symbolize the westward expansion of America. The mathematical solution worked out to

Y=A(COSH X/L C1) and X=L/C[Cosh-¹(1+Y/A)]

The visible result is the loftiest monument since the Eiffel Tower, a structure 75 feet taller than the Washington National Monument. Three years in construction, the gleaming gateway arch of prestressed concrete sheathed in stainless steel (see color) now stands on the bank of the Mississippi River, a proud civic symbol that opens onto the American heartland and sparks the future of the city of St. Louis, through which half a nation...

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