The architecture of Daniel Libeskind follows two distinct threads--the geometry employed in his Holocaust Memorials, and the geometry of those buildings whose purpose is life and regeneration.

But is there a difference between the two types? And if not, does Libeskind's architecture make sense for the former site of the World Trade Center?

Continue to the essay.

Brian Hanson (SBABHanson@aol.com) is an Architectural historian, and former Secretary in Architecture to HRH The Prince of Wales.

Nikos Salingaros (salingar@sphere.math.utsa.edu) is a Professor of Mathematics, and an Architectural Theorist, Department of Applied Mathematics, University of Texas at San Antonio.

The authors are associate editors of Katarxis, a journal of New Architecture and New Science.