This World War II memorial map, located on the 61-year-old Transportation Building at 370 Jay Street in Downtown Brooklyn, is the analog ancestor of Sites of Memory (without the stories or audio!) Pinning a location with someone’s name and the date they died allows us to note the significance of an individual life by fixing it in time and space. A person was here, once. Remember.

To read more, click on the photo. Photograph by David W. Dunlap/The New York Times.