Specialist know-how: Segmented Granite Vault in Cambridge

In the aftermath of the Boston Marathon bombings of 2013, police officer Sean Collier was killed on the campus of the Massachusetts Institute of Technology (MIT). A memorial committee solicited input from the public and selected architect Meejin Yoon of Höweler and Yoon Architects to serve as the lead designer. Yoon unveiled the design concept in April 2014, with the...