Whether capturing bustling crowd scenes or solitary figures like this, Dave Heath’s photographs conjure feelings of alienation and a desire for human connection. See more of his poignant work in “Multitude, Solitude: The Photographs of Dave Heath,” on view now through February 21.

“Elevated in Brooklyn, New York City,” 1963, by Dave Heath (The Nelson-Atkins Museum of Art, Kansas City, Missouri: Gift of the Hall Family Foundation, 2011.67.33)