Commemorative Calculus: How an Algorithm Helped Arrange the Names on the 9/11 Memorial

At first glance–and even after deep scrutiny–the names on a new memorial to those killed on September 11, 2001, seem randomly arrayed. The names are not arranged alphabetically nor, for the most part, are they presented in labeled groups. But the memorial’s layout is anything but random

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Commemorative Calculus: How an Algorithm Helped Arrange the Names on the 9/11 Memorial