Brandon Stanton, the photographer behind the tremendously popular photo series humansofny, has spent most of his savings from the last 15 years on his latest project: a monumental installation at Grand Central Terminal. Stanton’s public photo installation “Dear New York,” on view until October 19, replaces all of the advertisements in the major Manhattan train station — for the first time in Grand Central’s history, according to the artist. A selection of his portraits is displayed throughout the train station’s grand concourse, extending three levels into the subway stops for the S, 7, 4, 5, and 6 trains. He also asked 600 public school students to exhibit images of individuals they wanted to honor, and 11 local photographers were invited to participate in an exhibition held in the station’s Vanderbilt Hall. Intensely kind in disposition, Stanton can easily be pictured approaching strangers to take their photographs and welcoming their searing stories, excerpts of which line the s...